13267-52-2

2-acetamido-3-carbethoxy-4,5-dimethylthiophene ethyl 2-acetamido-4,5-dimethylthiophene-3-carboxylate ethyl 2-(acetylamino)-4,5-dimethyl-3-thiophenecarboxylate ethyl 2-(acetylamino)-4,5-dimethylthiophene-3-carboxylate 2-ACETYLAMINO-4,5-DIMETHYL-THIOPHENE-3-CARBOXYLIC ACID ETHYL ESTER 3-Thiophenecarboxylic acid, 2-(acetylamino)-4,5-dimethyl-, ethyl ester