4-isopropyl 2-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate

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

ethyl 2-amino-5-methyl-4-(4-propylphenyl)thiophene-3-carboxylate

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

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

2-amino-4-(4-ethylphenyl)-5-methylthiophene-3-carboxamide

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

2-amino-N-(3-methylphenyl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide

2-amino-N-(2-methylphenyl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide

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

2-amino-N-cyclohexyl-6-ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide