Hydrogen + Oxygen + Sulfur Compounds (H + O + S)
Found 219,213 compounds containing Hydrogen + Oxygen + Sulfur. Page 1563 of 4385.
H
Hydrogen
Lightest element, forms water with oxygen
O
Oxygen
Essential for respiration
S
Sulfur
Yellow nonmetal
| Formula | IUPAC Name | Common Name | Mol. Weight |
|---|---|---|---|
| C13H12N3NaO6S | sodium (6R,7R)-3-(acetoxymethyl)-7-[(2-cyanoacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | sodium (6R,7R)-3-(acetoxymethyl)-7-[(2-cyanoacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | 361.31 |
| C19H30OS | (1S,2S,4R,6S,8S,11R,12S,15S,16S)-2,16-dimethyl-5-thiapentacyclo[9.7.0.02,8.04,6.012,16]octadecan-15-ol | epitiostanol | 306.50 |
| C26H25N2NaO6S | sodium (2S,5R,6R)-6-[(3-indan-5-yloxy-3-oxo-2-phenyl-propanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | sodium (2S,5R,6R)-6-[(3-indan-5-yloxy-3-oxo-2-phenyl-propanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | 516.50 |
| C15H19Cl2N3O3S | 5-chloro-3-[2-[4-(2-hydroxyethyl)piperazin-1-yl]-2-oxo-ethyl]-1,3-benzothiazol-2-one;hydrochloride | tiaramide hydrochloride | 392.30 |
| C13H14N3NaO4S | sodium benzenesulfonyl-[5-(2-methoxyethoxy)pyrimidin-2-yl]azanide | sodium benzenesulfonyl-[5-(2-methoxyethoxy)pyrimidin-2-yl]azanide | 331.32 |
| C22H24N6O9S3 | (6R,7R)-7-[[2-(2-aminothiazol-4-yl)-2-methoxyimino-acetyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sulfuric acid | (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sulfuric acid | 612.70 |
| C29H32F3N3O8S | bis(but-2-enedioic acid);10-[3-(4-methylpiperazin-1-yl)propyl]-2-(trifluoromethyl)phenothiazine | 605-75-4 | 639.60 |
| C13H17ClN4O3S | N-[(4-amino-2-methyl-pyrimidin-5-yl)methyl]-N-[1-(2-oxo-1,3-oxathian-4-ylidene)ethyl]formamide;hydrochloride | Cycotiamine hydrochloride | 344.82 |
| C15H17F2N6NaO7S2 | sodium (6R,7R)-7-[[2-(difluoromethylsulfanyl)acetyl]amino]-3-[[1-(2-hydroxyethyl)tetrazol-5-yl]sulfanylmethyl]-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | sodium (6R,7R)-7-[[2-(difluoromethylsulfanyl)acetyl]amino]-3-[[1-(2-hydroxyethyl)tetrazol-5-yl]sulfanylmethyl]-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | 518.50 |
| C16H16N2Na2O7S2 | disodium;(2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenyl-2-sulfonato-acetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | sulbenicillin sodium | 458.40 |
| C16H19N3O5S | (6R,7R)-7-[(2-amino-2-cyclohexa-2,5-dien-1-yl-acetyl)amino]-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid | (6R,7R)-7-[(2-amino-2-cyclohexa-2,5-dien-1-yl-acetyl)amino]-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid | 365.40 |
| C28H25N6NaO10S2 | sodium (6R,7R)-7-[[(2R)-2-[(5-carboxy-1H-imidazole-4-carbonyl)amino]-2-phenyl-acetyl]amino]-8-oxo-3-[[4-(2-sulfonatoethyl)pyridin-1-ium-1-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | Cefpimizole sodium (JAN/USAN) | 692.70 |
| C4H10ClNO2S | [(1S)-2-methoxy-2-oxo-1-(sulfanylmethyl)ethyl]ammonium chloride | [(2S)-1-Methoxy-1-oxo-3-sulfanylpropan-2-yl]azanium;chloride | 171.65 |
| C4H9NO2S | methyl (2S)-2-amino-3-sulfanyl-propanoate | 88806-98-8 | 135.19 |
| C19H31NaO7S | sodium;[(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] sulfate;dihydrate | sodium;[(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] sulfate;dihydrate | 426.50 |
| C25H28N6O7S3 | 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[2-(2-aminothiazol-4-yl)-2-methoxyimino-acetyl]amino]-3-[2-(4-methylthiazol-5-yl)vinyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[2-(4-methyl-1,3-thiazol-5-yl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | 620.70 |
| C37H49N7O9S | (3S)-4-[[(1S)-2-amino-1-benzyl-2-oxo-ethyl]amino]-3-[[(2S)-2-[[(2S)-3-(1H-indol-3-yl)-2-[3-(isobutoxycarbonylamino)propanoylamino]propanoyl]amino]-4-methylsulfanyl-butanoyl]amino]-4-oxo-butanoic acid | GTPL870 | 767.90 |
| C27H31ClN2O6S | benzenesulfonic acid;4-[4-[(R)-(4-chlorophenyl)-(2-pyridyl)methoxy]-1-piperidyl]butanoic acid | 190730-42-8 | 547.10 |
| C32H38N4O12S3 | [(2S,5R)-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]oxymethyl (2S,5R,6R)-6-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate;4-methylbenzenesulfonic acid | SULTAMICILLIN TOSYLATE | 766.90 |
| C25H30N4O9S2 | [(2S,5R)-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]oxymethyl (2S,5R,6R)-6-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | Sultamicillin | 594.70 |
| C23H30ClN5O8S2 | 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[2-(2-aminothiazol-4-yl)pent-2-enoylamino]-3-(carbamoyloxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride | 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[2-(2-aminothiazol-4-yl)pent-2-enoylamino]-3-(carbamoyloxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride | 604.10 |
| C21H24ClN3O7S | (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (2S,5R,6R)-6-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azoniabicyclo[3.2.0]heptane-2-carboxylate chloride | CID 444026 | 497.90 |
| C21H23N3O7S | (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (2S,5R,6R)-6-[(2-amino-2-phenyl-acetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | SCHEMBL28781274 | 461.50 |
| C36H45N5O8S | (6aR,9R,10aR)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-4-isopropyl-5,8-dioxo-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;methanesulfonic acid | DIHYDROERGOCRISTINE MESYLATE | 707.80 |
| C25H31F3O5S | [(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-17-(fluoromethylsulfanylcarbonyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] propanoate | FLUTICASONE PROPIONATE | 500.60 |
| C16H21NO4S | (5R)-5-(3-ethoxy-4-pentoxy-phenyl)thiazolidine-2,4-dione | (5R)-5-(3-ethoxy-4-pentoxy-phenyl)thiazolidine-2,4-dione | 323.40 |
| C23H27N3O6S | (2S)-2-amino-5-[[(1R)-1-(benzylsulfanylmethyl)-2-[[(R)-carboxy(phenyl)methyl]amino]-2-oxo-ethyl]amino]-5-oxo-pentanoic acid | TLK117 | 473.50 |
| C13H14Cl2O4S | 2-[2,3-dichloro-4-[(2S)-2-(sulfanylmethyl)butanoyl]phenoxy]acetic acid | 2-[2,3-dichloro-4-[(2S)-2-(sulfanylmethyl)butanoyl]phenoxy]acetic acid | 337.20 |
| C19H35N3O6S | (2S)-2-amino-5-[[(1R)-2-(carboxymethylamino)-1-(nonylsulfanylmethyl)-2-oxo-ethyl]amino]-5-oxo-pentanoic acid | s-nonylglutathione | 433.60 |
| C18H16N4O5S | 2-hydroxy-5-[2-[4-(2-pyridylsulfamoyl)phenyl]hydrazino]benzoic acid | SCHEMBL15499090 | 400.40 |
| C34H36FeN4O4S3 | ferrous 3-[13-[(1R)-1,2-bis(sulfanyl)ethyl]-18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8-[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | ferrous 3-[13-[(1R)-1,2-bis(sulfanyl)ethyl]-18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8-[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | 716.70 |
| C34H38N4O4S3 | 3-[13-[(1R)-1,2-bis(sulfanyl)ethyl]-18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8-[(1S)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 3-[13-[(1R)-1,2-bis(sulfanyl)ethyl]-18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8-[(1S)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 662.90 |
| C23H30N6O7S | (2S)-2-[[(2R)-2-[[(2S)-2-[[(2R)-3-hydroxy-2-(quinoxaline-2-carbonylamino)propanoyl]amino]propanoyl]amino]-3-sulfanyl-propanoyl]amino]-3-methyl-butanoic acid | (2S)-2-[[(2R)-2-[[(2S)-2-[[(2R)-3-hydroxy-2-(quinoxaline-2-carbonylamino)propanoyl]amino]propanoyl]amino]-3-sulfanyl-propanoyl]amino]-3-methyl-butanoic acid | 534.60 |
| C25H31N5O8S2 | cis-(1S,2S)-1-[[(2R)-2-[[(2S)-2-[[(2R)-3-hydroxy-2-[(3-hydroxyquinoline-2-carbonyl)amino]propanoyl]amino]propanoyl]amino]-3,3-bis(sulfanyl)propanoyl]-methyl-amino]-2-methyl-cyclopropanecarboxylic acid | cis-(1S,2S)-1-[[(2R)-2-[[(2S)-2-[[(2R)-3-hydroxy-2-[(3-hydroxyquinoline-2-carbonyl)amino]propanoyl]amino]propanoyl]amino]-3,3-bis(sulfanyl)propanoyl]-methyl-amino]-2-methyl-cyclopropanecarboxylic acid | 593.70 |
| C25H31N5O8S | cis-(1S,2S)-1-[[(2R)-2-[[(2R)-2-[[(2R)-3-hydroxy-2-[(3-hydroxyquinoline-2-carbonyl)amino]propanoyl]amino]propanoyl]amino]-3-sulfanyl-propanoyl]-methyl-amino]-2-methyl-cyclopropanecarboxylic acid | cis-(1S,2S)-1-[[(2R)-2-[[(2R)-2-[[(2R)-3-hydroxy-2-[(3-hydroxyquinoline-2-carbonyl)amino]propanoyl]amino]propanoyl]amino]-3-sulfanyl-propanoyl]-methyl-amino]-2-methyl-cyclopropanecarboxylic acid | 561.60 |
| C34H36FeN4O4S2 | ferrous 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | ferrous 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | 684.70 |
| C34H38N4O4S2 | 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1S)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1S)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 630.80 |
| C27H44N3O10PS | (4S)-4-[[(2S)-2-acetamido-3-[3-[(R)-hydroxy(sulfanyl)methyl]-4-phosphonooxy-phenyl]propanoyl]amino]-5-(dipentylamino)-5-oxo-pentanoic acid | (4S)-4-[[(2S)-2-acetamido-3-[3-[(R)-hydroxy(sulfanyl)methyl]-4-phosphonooxy-phenyl]propanoyl]amino]-5-(dipentylamino)-5-oxo-pentanoic acid | 633.70 |
| C27H44N3O10PS | (4S)-4-[[(2S)-2-acetamido-3-[3-[(S)-hydroxy(sulfanyl)methyl]-4-phosphonooxy-phenyl]propanoyl]amino]-5-(dipentylamino)-5-oxo-pentanoic acid | (4S)-4-[[(2S)-2-acetamido-3-[3-[(S)-hydroxy(sulfanyl)methyl]-4-phosphonooxy-phenyl]propanoyl]amino]-5-(dipentylamino)-5-oxo-pentanoic acid | 633.70 |
| C10H17N3O9S | (2S)-2-amino-5-[[(1R)-2-(carboxymethylamino)-2-oxo-1-(sulfomethyl)ethyl]amino]-5-oxo-pentanoic acid | glutathione sulfonic acid | 355.32 |
| C48H75N11O16S | (2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-4-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S,3R)-2-amino-3-hydroxy-butanoyl]pyrrolidine-2-carbonyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-carboxy-propanoyl]amino]-3-methyl-pentanoyl]amino]-4-oxo-butanoyl]amino]-5-oxo-pentanoyl]amino]-4-methylsulfanyl-butanoyl]amino]-4-methyl-pentanoic acid | (2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-4-amino-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S,3R)-2-amino-3-hydroxy-butanoyl]pyrrolidine-2-carbonyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-carboxy-propanoyl]amino]-3-methyl-pentanoyl]amino]-4-oxo-butanoyl]amino]-5-oxo-pentanoyl]amino]-4-methylsulfanyl-butanoyl]amino]-4-methyl-pentanoic acid | 1094.20 |
| C45H73N11O11S | (2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-amino-3-methyl-butanoyl]pyrrolidine-2-carbonyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]pyrrolidine-2-carbonyl]amino]-4-methylsulfanyl-butanoyl]amino]-3-hydroxy-butanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid | (2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-amino-3-methyl-butanoyl]pyrrolidine-2-carbonyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]pyrrolidine-2-carbonyl]amino]-4-methylsulfanyl-butanoyl]amino]-3-hydroxy-butanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid | 976.20 |
| C10H16N5O13P3S | [[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl]oxy-hydroxy-phosphoryl]oxy-sulfanyl-phosphinic acid | [[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl]oxy-hydroxy-phosphoryl]oxy-sulfanyl-phosphinic acid | 539.25 |
| C34H36FeN4O4S2 | ferrous 3-[18-(2-carboxyethyl)-3,8,13,17-tetramethyl-7,12-bis[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | ferrous 3-[18-(2-carboxyethyl)-3,8,13,17-tetramethyl-7,12-bis[(1S)-1-sulfanylethyl]porphyrin-21,23-diid-2-yl]propanoic acid | 684.70 |
| C34H38N4O4S2 | 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1R)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 3-[18-(2-carboxyethyl)-3,7,12,17-tetramethyl-8,13-bis[(1R)-1-sulfanylethyl]-22,23-dihydroporphyrin-2-yl]propanoic acid | 630.80 |
| C12H23N3O5S3 | (4R)-2-(2-ethoxyethyl)-4-(ethylamino)-1,1-dioxo-3,4,5,6-tetrahydrothieno[3,2-e]thiazine-6-sulfonamide | (4R)-2-(2-ethoxyethyl)-4-(ethylamino)-1,1-dioxo-3,4,5,6-tetrahydrothieno[3,2-e]thiazine-6-sulfonamide | 385.50 |
| C29H39N7O4S2 | 2-[(4S)-4-[[5-(dimethylamino)-1-naphthyl]sulfonylamino]-5-oxo-5-[(2R)-2-(3-oxo-3-thiazol-2-yl-propyl)-1-piperidyl]pentyl]guanidine | 1a4w | 613.80 |
| C35H59N11O11S+2 | [(4S)-5-[[(1S)-4-amino-1-[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]carbamoyl]-4-oxo-butyl]amino]-4-[[(2S)-2-[[2-[[(2R)-2-[[(2S,3R)-2-azaniumyl-3-hydroxy-butanoyl]amino]-3-sulfanyl-propanoyl]amino]acetyl]amino]-4-methyl-pentanoyl]amino]-5-oxo-pentyl]-(diaminomethylene)ammonium | [(4S)-5-[[(1S)-4-amino-1-[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]carbamoyl]-4-oxo-butyl]amino]-4-[[(2S)-2-[[2-[[(2R)-2-[[(2S,3R)-2-azaniumyl-3-hydroxy-butanoyl]amino]-3-sulfanyl-propanoyl]amino]acetyl]amino]-4-methyl-pentanoyl]amino]-5-oxo-pentyl]-(diaminomethylene)ammonium | 842.00 |
| C35H57N11O11S | (2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2R)-2-[[(2S,3R)-2-amino-3-hydroxy-butanoyl]amino]-3-sulfanyl-propanoyl]amino]acetyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]amino]-5-oxo-pentanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid | (2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2R)-2-[[(2S,3R)-2-amino-3-hydroxy-butanoyl]amino]-3-sulfanyl-propanoyl]amino]acetyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]amino]-5-oxo-pentanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid | 840.00 |
| C24H34N8O4S | (3S,6S)-6-amino-6-benzyl-N-[(1S)-1-[dihydroxy(thiazol-2-yl)methyl]-4-guanidino-butyl]-5-oxo-2,3,7,8-tetrahydro-1H-pyrazolo[1,2-a]pyridazine-3-carboxamide | (1S,7S)-7-amino-7-benzyl-N-{(1S)-4-carbamimidamido-1-[(S)-hydroxy(1,3-thiazol-2-yl)methyl]butyl}-8-oxohexahydro-1H-pyra zolo[1,2-a]pyridazine-1-carboxamide | 530.60 |