propyl 2-amino-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate

ethyl 2-amino-5-{[(2-methoxyphenyl)amino]carbonyl}-4-methylthiophene-3-carboxylate

isopropyl 2-amino-5-[(dimethylamino)carbonyl]-4-methylthiophene-3-carboxylate

propyl 2-amino-4-(4-chlorophenyl)thiophene-3-carboxylate

propyl 2-amino-4-(4-ethoxyphenyl)thiophene-3-carboxylate

isopropyl 2-amino-4-(2,4-dimethylphenyl)thiophene-3-carboxylate

ethyl 2-amino-4-(2,4-dichlorophenyl)-5-methylthiophene-3-carboxylate

ethyl 2-amino-4-(4-sec-butylphenyl)-5-methylthiophene-3-carboxylate

propyl 2-amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxylate

isopropyl 2-amino-4-(4-isopropylphenyl)-5-methylthiophene-3-carboxylate