| 2-amino-4-phenyl-thiophene-3-carboxylic aci ethyl ester |
| 2-amino-4-phenylthiophene-3-carboxylic acid ethyl ester |
| amino-2 ethoxycarbonyl-3 phenyl-4 thiophene |
| ethyl 2-amino-4-phenylthiophene-3-carboxylate |
| 2-amino-4-phenyl-thiophene-3-carboxylic aci ethylester |