| 1 | 107880-74-0 | 法莫替丁酸杂质 | Famotidine Acid Impurity | C8H12N4O2S2
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| 2 | | 3-amino-1-[(4-sulfamoylphenyl)methyl]thiourea | 3-amino-1-[(4-sulfamoylphenyl)methyl]thiourea | C8H12N4O2S2
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| 3 | 500911-78-4 | 2-(3-(5-Propyl-1,3,4-thiadiazol-2-yl)thioureido)acetic acid | 2-(3-(5-Propyl-1,3,4-thiadiazol-2-yl)thioureido)acetic acid | C8H12N4O2S2
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| 4 | 328004-28-0 | 2-[(5-氨基-1,3,4-噻二唑-2-基)硫基]-1-吗啉-4-基-乙酮 | 5-((2-MORPHOLIN-4-YL-2-OXOETHYL)THIO)-1,3,4-THIADIAZOL-2-AMINE | C8H12N4O2S2
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| 5 | | 1-{2-[(2-amino-1,3-thiazol-5-yl)sulfanyl]propanoyl}-3-methylurea | 1-{2-[(2-amino-1,3-thiazol-5-yl)sulfanyl]propanoyl}-3-methylurea | C8H12N4O2S2
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| 6 | | 2-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(morpholin-4-yl)ethan-1-one | 2-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(morpholin-4-yl)ethan-1-one | C8H12N4O2S2
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