ethyl 4-(4-phenyl-1-piperazinyl)butanoate

Ethyl 4-(3,4-dimethoxyphenyl)-4-oxobutanoate

Ethyl 4-amino-2-mercaptopyrimidine-5-carboxylate

Ethyl 4-chloro-2-methylquinoline-6-carboxylate

Ethyl 2-amino-4-(4-bromophenyl)-5-methylthiophene-3-carboxylate

ETHYL 2-AMINO-4-(4-METHOXYPHENYL)-1,3-THIAZOLE-5-CARBOXYLATE

Ethyl 2-Amino-4,5-dimethylthiophene-3-carboxylate

Ethyl 2-amino-6-methyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate

ETHYL 2-BROMO-2-ETHYLHEXANOATE

Ethyl 4-hydroxy-3-propylbenzoate

Ethyl 4-hydroxy-7-nitro-3-quinolinecarboxylate

Ethyl 4-methyl-2-[4-(trifluoro-methyl)-phenyl]thiazole-5-carboxylate

ETHYL 4-METHYL-5-[(3-NITROANILINO)CARBONYL]-2-[(PHENYLACETYL)AMINO]-3-THIOPHENECARBOXYLATE

ethyl 4-oxo-3,4-dihydro-2H-1-benzothiopyran-3-carboxylate

ETHYL 4-PHENYL-2-({2,2,2-TRICHLORO-1-[(4-METHYLBENZOYL)AMINO]ETHYL}AMINO)-3-THIOPHENECARBOXYLATE