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Certified Reference Standards...
Chemical Name: 1-Methyl-4-nitro-1H-imidazole-5-thiol; 1-Methyl-4-nitro-imidazole-5-thiol ; 5-Mercapto-1-methyl-4-nitroimidazole
Synonym: Azathioprine BP Impurity D
Smiles: O=[N](C(N=CN1C)=C1S)=O
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