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

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

propyl 2-amino-4-(1,1'-biphenyl-4-yl)thiophene-3-carboxylate

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

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

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

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

propyl 2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carboxylate

propyl 2-amino-4,5,6,7,8,9,10,11,12,13-decahydrocyclododeca[b]thiophene-3-carboxylate

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

methyl 2-amino-4,5,6,7,8,9,10,11,12,13-decahydrocyclododeca[b]thiophene-3-carboxylate