Hydrogen + Oxygen + Sulfur Compounds

Formula	IUPAC Name	Common Name	Mol. Weight
C30H34N6O7S	6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-butoxy-phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid	126485-35-6	622.70
C28H30N6O8S	6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-(2-hydroxyethoxy)phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid	126485-36-7	610.60
C23H19N5O5S	6-amino-4-hydroxy-3-(2-methoxy-4-phenylazo-phenyl)azo-naphthalene-2-sulfonic acid	126513-98-2	477.50
C27H28N6O7S	6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-methoxy-phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid	126513-99-3	580.60
C22H27NO2S	1-(tert-butylamino)-3-[2-[2-(4-methylsulfanylphenyl)ethynyl]phenoxy]propan-2-ol	126661-21-0	369.50
C49H69IN14O12S2	(10R,13S,16S,19S,22S)-13-(2-amino-2-oxo-ethyl)-N-[2-[[(1S)-1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]amino]-2-oxo-ethyl]-16-(3-amino-3-oxo-propyl)-19-benzyl-22-[(4-hydroxy-3-iodo-phenyl)methyl]-N-methyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentazaspiro[5.19]pentacosane-10-carboxamide	Argipressin, mca(1)-I-tyr(2)-sar(7)-	1237.20
C22H26N2O5S3	4',11-dihydroxy-2,4',9-trimethyl-spiro[19-thia-3,20-diazabicyclo[15.2.1]icosa-1(20),9,13,15,17-pentaene-6,5'-dithiolane]-3',4,12-trione	4',11-dihydroxy-2,4',9-trimethyl-spiro[19-thia-3,20-diazabicyclo[15.2.1]icosa-1(20),9,13,15,17-pentaene-6,5'-dithiolane]-3',4,12-trione	494.70
C16H23NO6S	tert-butyl 6-methoxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate	127943-74-2	357.40
C4H7F3O3S	2,2,2-trifluoroethyl ethanesulfonate	2,2,2-Trifluoroethyl ester ethanesulfonic acid	192.16
C15H21N7O3S2	2-(4-aminobutanoylamino)-N-[4-(3-aminopropylcarbamoyl)thiazol-2-yl]thiazole-4-carboxamide	Thia-net	411.50
C34H32N6O7S	[1-[6-(6-carbamoyl-7,8-dihydro-3H-pyrrolo[3,2-e]indole-2-carbonyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indole-2-carbonyl]-6-methoxy-indolin-3-yl]methyl methanesulfonate	127943-75-3	668.70
C15H21NO6S	tert-butyl (3R)-6-hydroxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate	Seco-(-)-N-boc-ci	343.40
C15H21NO6S	tert-butyl (3S)-6-hydroxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate	128049-51-4	343.40
C54H74IN3O21S2	S-[(2S,3R,4R,6R)-6-[[(2S,3R,4R,5R,6R)-5-[(2R,4R,5R)-5-(ethylamino)-4-methoxy-tetrahydropyran-2-yl]oxy-4-hydroxy-6-[[(9R,14R)-9-hydroxy-14-(methoxycarbonylamino)-15-oxo-13-thiatetracyclo[7.4.3.01,10.03,8]hexadeca-3,5,7,10-tetraen-2-yl]oxy]-2-methyl-tetrahydropyran-3-yl]amino]oxy-4-hydroxy-2-methyl-tetrahydropyran-3-yl] 4-[(3R,4R,5S,6S)-3,5-dihydroxy-4-methoxy-6-methyl-tetrahydropyran-2-yl]oxy-5-iodo-2,3-dimethoxy-6-methyl-benzenecarbothioate	S-[(2S,3R,4R,6R)-6-[[(2S,3R,4R,5R,6R)-5-[(2R,4R,5R)-5-(ethylamino)-4-methoxy-tetrahydropyran-2-yl]oxy-4-hydroxy-6-[[(9R,14R)-9-hydroxy-14-(methoxycarbonylamino)-15-oxo-13-thiatetracyclo[7.4.3.01,10.03,8]hexadeca-3,5,7,10-tetraen-2-yl]oxy]-2-methyl-tetrahydropyran-3-yl]amino]oxy-4-hydroxy-2-methyl-tetrahydropyran-3-yl] 4-[(3R,4R,5S,6S)-3,5-dihydroxy-4-methoxy-6-methyl-tetrahydropyran-2-yl]oxy-5-iodo-2,3-dimethoxy-6-methyl-benzenecarbothioate	1292.20
C10H18N2O3S4	(2R)-2-acetamido-3-[bis(ethylsulfanyl)carbamothioylsulfanyl]propanoic acid	SCHEMBL16099177	342.50
C15H26N4O6S3	(2S)-2-amino-5-[[(1R)-2-(carboxymethylamino)-1-[(diethylcarbamothioyldisulfanyl)methyl]-2-oxo-ethyl]amino]-5-oxo-pentanoic acid	S-(N,N-Diethyldithiocarbamoyl)-L-glutathione	454.60
C13H8Cl4O2S	1,3-dichloro-5-(3,4-dichlorophenyl)-2-methylsulfonyl-benzene	128742-32-5	370.10
C13H7Cl5O2S	1,2-dichloro-3-methylsulfonyl-5-(3,4,5-trichlorophenyl)benzene	3-Methylsulfonyl-3',4,4',5,5'-pentachlorobiphenyl	404.50
C13H5Cl7O2S	2,3,4-trichloro-1-methylsulfonyl-5-(2,3,4,5-tetrachlorophenyl)benzene	128742-34-7	473.40
C13H7Cl5O2S	1,3-dichloro-2-methylsulfonyl-5-(3,4,5-trichlorophenyl)benzene	128759-99-9	404.50
C5H21N2O6PS	2-(3-aminopropylamino)ethylsulfanylphosphonic acid;trihydrate	Amifostine trihydrate	268.27
C14H13NO2S	N-hydroxy-N-(4-phenylsulfanylphenyl)acetamide	Acetamide, N-hydroxy-N-(4-(phenylthio)phenyl)-	259.33
C15H21NO5S	tert-butyl 3-(methylsulfonyloxymethyl)indoline-1-carboxylate	130469-60-2	327.40
C12H14N2O3S3	isopropyl 2-(1,3-dithietan-2-ylidene)-3-[(4-methylthiazol-2-yl)amino]-3-oxo-propanoate	Mivotilate	330.50
C27H41NO5S	(4S,7R,8S,9S)-4,8-dihydroxy-5,5,7,9,13-pentamethyl-16-[1-methyl-2-(2-methylthiazol-4-yl)vinyl]-1-oxacyclohexadec-13-ene-2,6-dione	(4S,7R,8S,9S)-4,8-dihydroxy-5,5,7,9,13-pentamethyl-16-[1-methyl-2-(2-methylthiazol-4-yl)vinyl]-1-oxacyclohexadec-13-ene-2,6-dione	491.70
C23H41N5O5S	(2S)-N-[(2S)-3,3-dimethyl-2-(methylamino)butanoyl]-4-methyl-2-[[(2S)-2-sulfanyl-4-(3,4,4-trimethyl-2,5-dioxo-imidazolidin-1-yl)butanoyl]amino]pentanamide	SCHEMBL1649754	499.70
C37H71N3O8S	[(1R,4R)-4-[(3S,5R,7R,8R,9S,10S,13R,14S)-3-[3-(4-aminobutylamino)propylamino]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1-isopropyl-pentyl] hydrogen sulfate;(2S)-2-hydroxypropanoic acid	[(1R,4R)-4-[(3S,5R,7R,8R,9S,10S,13R,14S)-3-[3-(4-aminobutylamino)propylamino]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1-isopropyl-pentyl] hydrogen sulfate;(2S)-2-hydroxypropanoic acid	718.00
C34H65N3O5S	[(1R,4R)-4-[(3S,5R,7R,8R,9S,10S,13R,14S)-3-[3-(4-aminobutylamino)propylamino]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1-isopropyl-pentyl] hydrogen sulfate	SCHEMBL17359656	628.00
C24H36N2O3S2	hexa-2,4-dienyl 2-[[2-[[(2-amino-4-methyl-pentyl)disulfanyl]methyl]-3-phenyl-propanoyl]amino]acetate	hexa-2,4-dienyl 2-[[2-[[(2-amino-4-methyl-pentyl)disulfanyl]methyl]-3-phenyl-propanoyl]amino]acetate	464.70
C10H6ClNO2S	5-chloro-4-sulfanyl-quinoline-2-carboxylic acid	5-chloro-4-sulfanyl-quinoline-2-carboxylic acid	239.68
C8H10ClO2PS	chloro-ethoxy-phenoxy-thioxo-lambda5-phosphane	O-Ethyl-O-phenylchlorothiophosphate	236.66
C10H11N5O3S	(2R)-2-acetamido-3-(7H-purin-6-ylsulfanyl)propanoic acid	136039-99-1	281.29
C9H11N5O2S	(2S)-2-amino-4-(7H-purin-6-ylsulfanyl)butanoic acid	S-(6-Purinyl)homocysteine	253.28
C11H13ClN2OS	1-chloro-3-(1-methylbenzimidazol-2-yl)sulfanyl-propan-2-ol	38677-64-4	256.75
C9H16O8S2	2-(2-acetoxyethylsulfonylmethylsulfonyl)ethyl acetate	39227-09-3	316.40
C7H6N4O2S2	2-(1-methylimidazol-2-yl)sulfanyl-5-nitro-thiazole	39259-57-9	242.30
C13H13N3OS	1-allyl-3-(4-phenylthiazol-2-yl)urea	Urea, N-(4-phenyl-2-thiazolyl)-N'-2-propenyl-	259.33
C18H25N3OS	1,3-dibutyl-1-(4-phenylthiazol-2-yl)urea	Urea, N,N'-dibutyl-N-(4-phenyl-2-thiazolyl)-	331.50
C8H16O6S2	[(1S,3R)-3-methylsulfonyloxycyclohexyl] methanesulfonate	1,3-Cyclohexanediol, dimethanesulfonate, cis-	272.30
C8H16O6S2	[(1R,3R)-3-methylsulfonyloxycyclohexyl] methanesulfonate	1,3-Cyclohexanediol, dimethanesulfonate, trans-	272.30
C6H6N4O2S2	1-(5-nitrothiazol-2-yl)-4,5-dihydroimidazole-2-thiol	1-(5-nitrothiazol-2-yl)-4,5-dihydroimidazole-2-thiol	230.30
C7H4N4O2S2	5-nitro-2-pyrimidin-2-ylsulfanyl-thiazole	Pyrimidine, 2-((5-nitro-2-thiazolyl)thio)-	240.30
C14H11F2N3O3S	N-(2-cyanoethyl)-2,2-difluoro-N-methyl-6-nitro-chromene-4-carbothioamide	152661-13-7	339.32
C14H17BrN6O3S3	N-(4-bromophenyl)sulfonyl-N'-[2-[(2-guanidinothiazol-4-yl)methylsulfinyl]ethyl]formamidine	Ebrotidine S-oxide	493.40
C14H17BrN6O4S3	N-(4-bromophenyl)sulfonyl-N'-[2-[(2-guanidinothiazol-4-yl)methylsulfonyl]ethyl]formamidine	Ebrotidine S,S-dioxide	509.40
C16H16O4S2	2,3,7,8-tetramethoxythianthrene	2,3,7,8-Tetramethoxythianthrene	336.40
C11H20O8S2	2-[3-(2-acetoxyethylsulfonyl)propylsulfonyl]ethyl acetate	41123-66-4	344.40
C12H22O8S2	2-[4-(2-acetoxyethylsulfonyl)butylsulfonyl]ethyl acetate	Ethanol, 2,2'-(1,4-butanediylbis(sulfonyl))bis-, diacetate	358.40
C12H13N3O2S	1-[4-(4-methoxyphenyl)thiazol-2-yl]-3-methyl-urea	Urea, N-(4-(4-methoxyphenyl)-2-thiazolyl)-N'-methyl-	263.32
C20H20ClN3O3S	3-(4-chlorophenyl)-1-[4-(4,5-dimethoxy-2-methyl-phenyl)thiazol-2-yl]-1-methyl-urea	41213-76-7	417.90

C30H34N6O7S

6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-butoxy-phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid

126485-35-6

622.70

C28H30N6O8S

6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-(2-hydroxyethoxy)phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid

126485-36-7

610.60

C23H19N5O5S

6-amino-4-hydroxy-3-(2-methoxy-4-phenylazo-phenyl)azo-naphthalene-2-sulfonic acid

126513-98-2

477.50

C27H28N6O7S

6-amino-3-[4-[4-[bis(2-hydroxyethyl)amino]phenyl]azo-2-methoxy-phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid

126513-99-3

580.60

C22H27NO2S

1-(tert-butylamino)-3-[2-[2-(4-methylsulfanylphenyl)ethynyl]phenoxy]propan-2-ol

126661-21-0

369.50

C49H69IN14O12S2

(10R,13S,16S,19S,22S)-13-(2-amino-2-oxo-ethyl)-N-[2-[[(1S)-1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]amino]-2-oxo-ethyl]-16-(3-amino-3-oxo-propyl)-19-benzyl-22-[(4-hydroxy-3-iodo-phenyl)methyl]-N-methyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentazaspiro[5.19]pentacosane-10-carboxamide

Argipressin, mca(1)-I-tyr(2)-sar(7)-

1237.20

C22H26N2O5S3

4',11-dihydroxy-2,4',9-trimethyl-spiro[19-thia-3,20-diazabicyclo[15.2.1]icosa-1(20),9,13,15,17-pentaene-6,5'-dithiolane]-3',4,12-trione

494.70

C16H23NO6S

tert-butyl 6-methoxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate

127943-74-2

357.40

C4H7F3O3S

2,2,2-trifluoroethyl ethanesulfonate

2,2,2-Trifluoroethyl ester ethanesulfonic acid

192.16

C15H21N7O3S2

2-(4-aminobutanoylamino)-N-[4-(3-aminopropylcarbamoyl)thiazol-2-yl]thiazole-4-carboxamide

Thia-net

411.50

C34H32N6O7S

[1-[6-(6-carbamoyl-7,8-dihydro-3H-pyrrolo[3,2-e]indole-2-carbonyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indole-2-carbonyl]-6-methoxy-indolin-3-yl]methyl methanesulfonate

127943-75-3

668.70

C15H21NO6S

tert-butyl (3R)-6-hydroxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate

Seco-(-)-N-boc-ci

343.40

C15H21NO6S

tert-butyl (3S)-6-hydroxy-3-(methylsulfonyloxymethyl)indoline-1-carboxylate

128049-51-4

343.40

C54H74IN3O21S2

S-[(2S,3R,4R,6R)-6-[[(2S,3R,4R,5R,6R)-5-[(2R,4R,5R)-5-(ethylamino)-4-methoxy-tetrahydropyran-2-yl]oxy-4-hydroxy-6-[[(9R,14R)-9-hydroxy-14-(methoxycarbonylamino)-15-oxo-13-thiatetracyclo[7.4.3.01,10.03,8]hexadeca-3,5,7,10-tetraen-2-yl]oxy]-2-methyl-tetrahydropyran-3-yl]amino]oxy-4-hydroxy-2-methyl-tetrahydropyran-3-yl] 4-[(3R,4R,5S,6S)-3,5-dihydroxy-4-methoxy-6-methyl-tetrahydropyran-2-yl]oxy-5-iodo-2,3-dimethoxy-6-methyl-benzenecarbothioate

1292.20

C10H18N2O3S4

(2R)-2-acetamido-3-[bis(ethylsulfanyl)carbamothioylsulfanyl]propanoic acid

SCHEMBL16099177

342.50

C15H26N4O6S3

(2S)-2-amino-5-[[(1R)-2-(carboxymethylamino)-1-[(diethylcarbamothioyldisulfanyl)methyl]-2-oxo-ethyl]amino]-5-oxo-pentanoic acid

S-(N,N-Diethyldithiocarbamoyl)-L-glutathione

454.60

C13H8Cl4O2S

1,3-dichloro-5-(3,4-dichlorophenyl)-2-methylsulfonyl-benzene

128742-32-5

370.10

C13H7Cl5O2S

1,2-dichloro-3-methylsulfonyl-5-(3,4,5-trichlorophenyl)benzene

3-Methylsulfonyl-3',4,4',5,5'-pentachlorobiphenyl

404.50

C13H5Cl7O2S

2,3,4-trichloro-1-methylsulfonyl-5-(2,3,4,5-tetrachlorophenyl)benzene

128742-34-7

473.40

C13H7Cl5O2S

1,3-dichloro-2-methylsulfonyl-5-(3,4,5-trichlorophenyl)benzene

128759-99-9

404.50

C5H21N2O6PS

2-(3-aminopropylamino)ethylsulfanylphosphonic acid;trihydrate

Amifostine trihydrate

268.27

C14H13NO2S

N-hydroxy-N-(4-phenylsulfanylphenyl)acetamide

Acetamide, N-hydroxy-N-(4-(phenylthio)phenyl)-

259.33

C15H21NO5S

tert-butyl 3-(methylsulfonyloxymethyl)indoline-1-carboxylate

130469-60-2

327.40

C12H14N2O3S3

isopropyl 2-(1,3-dithietan-2-ylidene)-3-[(4-methylthiazol-2-yl)amino]-3-oxo-propanoate

Mivotilate

330.50

C27H41NO5S

(4S,7R,8S,9S)-4,8-dihydroxy-5,5,7,9,13-pentamethyl-16-[1-methyl-2-(2-methylthiazol-4-yl)vinyl]-1-oxacyclohexadec-13-ene-2,6-dione

491.70

C23H41N5O5S

(2S)-N-[(2S)-3,3-dimethyl-2-(methylamino)butanoyl]-4-methyl-2-[[(2S)-2-sulfanyl-4-(3,4,4-trimethyl-2,5-dioxo-imidazolidin-1-yl)butanoyl]amino]pentanamide

SCHEMBL1649754

499.70

C37H71N3O8S

[(1R,4R)-4-[(3S,5R,7R,8R,9S,10S,13R,14S)-3-[3-(4-aminobutylamino)propylamino]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1-isopropyl-pentyl] hydrogen sulfate;(2S)-2-hydroxypropanoic acid

718.00

C34H65N3O5S

[(1R,4R)-4-[(3S,5R,7R,8R,9S,10S,13R,14S)-3-[3-(4-aminobutylamino)propylamino]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1-isopropyl-pentyl] hydrogen sulfate

SCHEMBL17359656

628.00

C24H36N2O3S2

hexa-2,4-dienyl 2-[[2-[[(2-amino-4-methyl-pentyl)disulfanyl]methyl]-3-phenyl-propanoyl]amino]acetate

464.70

C10H6ClNO2S

5-chloro-4-sulfanyl-quinoline-2-carboxylic acid

239.68

C8H10ClO2PS

chloro-ethoxy-phenoxy-thioxo-lambda5-phosphane

O-Ethyl-O-phenylchlorothiophosphate

236.66

C10H11N5O3S

(2R)-2-acetamido-3-(7H-purin-6-ylsulfanyl)propanoic acid

136039-99-1

281.29

C9H11N5O2S

(2S)-2-amino-4-(7H-purin-6-ylsulfanyl)butanoic acid

S-(6-Purinyl)homocysteine

253.28

C11H13ClN2OS

1-chloro-3-(1-methylbenzimidazol-2-yl)sulfanyl-propan-2-ol

38677-64-4

256.75

C9H16O8S2

2-(2-acetoxyethylsulfonylmethylsulfonyl)ethyl acetate

39227-09-3

316.40

C7H6N4O2S2

2-(1-methylimidazol-2-yl)sulfanyl-5-nitro-thiazole

39259-57-9

242.30

C13H13N3OS

1-allyl-3-(4-phenylthiazol-2-yl)urea

Urea, N-(4-phenyl-2-thiazolyl)-N'-2-propenyl-

259.33

C18H25N3OS

1,3-dibutyl-1-(4-phenylthiazol-2-yl)urea

Urea, N,N'-dibutyl-N-(4-phenyl-2-thiazolyl)-

331.50

C8H16O6S2

[(1S,3R)-3-methylsulfonyloxycyclohexyl] methanesulfonate

1,3-Cyclohexanediol, dimethanesulfonate, cis-

272.30

C8H16O6S2

[(1R,3R)-3-methylsulfonyloxycyclohexyl] methanesulfonate

1,3-Cyclohexanediol, dimethanesulfonate, trans-

272.30

C6H6N4O2S2

1-(5-nitrothiazol-2-yl)-4,5-dihydroimidazole-2-thiol

230.30

C7H4N4O2S2

5-nitro-2-pyrimidin-2-ylsulfanyl-thiazole

Pyrimidine, 2-((5-nitro-2-thiazolyl)thio)-

240.30

C14H11F2N3O3S

N-(2-cyanoethyl)-2,2-difluoro-N-methyl-6-nitro-chromene-4-carbothioamide

152661-13-7

339.32

C14H17BrN6O3S3

N-(4-bromophenyl)sulfonyl-N'-[2-[(2-guanidinothiazol-4-yl)methylsulfinyl]ethyl]formamidine

Ebrotidine S-oxide

493.40

C14H17BrN6O4S3

N-(4-bromophenyl)sulfonyl-N'-[2-[(2-guanidinothiazol-4-yl)methylsulfonyl]ethyl]formamidine

Ebrotidine S,S-dioxide

509.40

C16H16O4S2

2,3,7,8-tetramethoxythianthrene

2,3,7,8-Tetramethoxythianthrene

336.40

C11H20O8S2

2-[3-(2-acetoxyethylsulfonyl)propylsulfonyl]ethyl acetate

41123-66-4

344.40

C12H22O8S2

2-[4-(2-acetoxyethylsulfonyl)butylsulfonyl]ethyl acetate

Ethanol, 2,2'-(1,4-butanediylbis(sulfonyl))bis-, diacetate

358.40

C12H13N3O2S

1-[4-(4-methoxyphenyl)thiazol-2-yl]-3-methyl-urea

Urea, N-(4-(4-methoxyphenyl)-2-thiazolyl)-N'-methyl-

263.32

C20H20ClN3O3S

3-(4-chlorophenyl)-1-[4-(4,5-dimethoxy-2-methyl-phenyl)thiazol-2-yl]-1-methyl-urea

41213-76-7

417.90

Hydrogen + Oxygen + Sulfur Compounds (H + O + S)