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140403-39-0 2-thiophenecarboxylic acid,5-(4-aminophenyl)-4-[4-(methylsulfonyl)phenyl]-, ethyl ester

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Product Name 2-Thiophenecarboxylic acid,5-(4-aminophenyl)-4-[4-(methylsulfonyl)phenyl]-, ethyl ester
CAS No. 140403-39-0
Molecular Formula C20H19NO4S2