ethyl 2-amino-4-(2-naphthyl)thiophene-3-carboxylate

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

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

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

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

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

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

3-amino-6-isopropyl-2-methylthieno[2,3-d]pyrimidin-4(3H)-one

isopropyl 2-amino-6-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate

2-amino-4-(4-tert-butylphenyl)thiophene-3-carboxamide

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