propyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate

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

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

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

propyl 2-amino-5-methyl-4-phenylthiophene-3-carboxylate

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

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

2-amino-6-tert-butyl-N-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide

2-amino-6-methyl-N-(4-methylphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide

2-amino-6-ethyl-N-(2-methylphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide

2-amino-6-tert-amyl-N-(4-methoxyphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide