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139299-23-3 2-thiophenecarboxylic acid, 3-amino-4-cyano-5-(methylsulfonyl)-, ethylester

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Product Name 2-Thiophenecarboxylic acid, 3-amino-4-cyano-5-(methylsulfonyl)-, ethylester
CAS No. 139299-23-3
Molecular Formula C9H10N2O4S2