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33668-09-6 2-thiophenecarboxylic acid, 3,4-bis(4-methoxyphenyl)-, ethyl ester

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Product Name 2-Thiophenecarboxylic acid, 3,4-bis(4-methoxyphenyl)-, ethyl ester
CAS No. 33668-09-6
Molecular Formula C21H20O4S