isopropyl 2-amino-4-ethyl-5-methylthiophene-3-carboxylate

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

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

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

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

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

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

methyl 2-amino-4-(4-butylphenyl)-5-methylthiophene-3-carboxylate

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

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

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