2-carbethoxy-6-hydroxybenzothiazole;
Ethyl 6-hydroxy-1,3-benzothiazole-2-carboxylate;
5-formyl-thiophene-2-carboxylic acid ethyl ester;
Ethyl 6-hydroxybenzothiazole-2-carboxylate;
Ethyl 5-formylhiophene-2-carboxylate;
2-carbethoxy-5-thiophenecarboxaldehyde;
6-hydroxy-benzothiazole-2-carboxylic acid ethyl ester;
2-ethoxycarbonyl-thiophene-5-carboxaldehyde;
2-Benzothiazolecarboxylic acid, 6-hydroxy-, ethyl ester;
2-Thiophenecarboxylic acid,5-formyl-,ethyl ester;
ethyl 5-formyl-2-thiophenecarboxylate;
ethyl 2-formyl-5-thiophenecarboxylate;
2-Benzothiazole carboxylic acid,6-hydroxy-,ethylester(9CI);