英文别名Ethyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate; 3-Amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid ethyl ester; ethyl 3-aMino-4-cyano-5-(Methylthio)-thiophen-2-carboxylate; 3-Amino-2-carboethoxy-4-cyano-5-(methylthio)thiophene; 3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid ethyl ester; 2-Thiophenecarboxylicacid,3-amino-4-cyano-5-(methylthio)-,ethyl ester 
