| 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 |
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