Sigma-Aldrich
ethyl 4-chloro-6-fluoroquinoline-3-carboxylate
ethyl 4-dibenzo[b,d]furan-2-yl-4-oxobutanoate
Ethyl 4-hydroxy-6-nitroquinoline-3-carboxylate
ETHYL 4-METHOXYOXANILATE
Ethyl 4-methyl-3-(methylamino)cyclohexanecarboxylate
ethyl 4-oxo-2,2-diphenylpentanoate
ETHYL 4-PHENYL-2-({2,2,2-TRICHLORO-1-[(3-METHYLBENZOYL)AMINO]ETHYL}AMINO)-3-THIOPHENECARBOXYLATE
ETHYL 4,5-DIMETHYL-2-({[3-OXO-6-(TRIFLUOROMETHYL)-3,4-DIHYDRO-2H-1,4-BENZOTHIAZIN-2-YL]ACETYL}AMINO)-3-THIOPHENECARBOXYLATE
Ethyl 4H-thieno[3,2-c]chromene-2-carboxylate
ETHYL 5-{4-[(CHLOROACETYL)OXY]-7-METHOXY-2-OXO-6-PROPYL-2H-CHROMEN-3-YL}-2-FUROATE
Ethyl 5-(2-pyridinyl)-1H-1,2,4-triazole-3-carboxylate
Ethyl 5-(4-fluorophenyl)isoxazole-4-carboxylate
Ethyl 5-(trifluoromethyl)-1-p-tolyl-1H-pyrazole-4-carboxylate
ETHYL 5-AMINO-1-(2-FLUOROPHENYL)-1H-PYRAZOLE-4-CARBOXYLATE
ETHYL 5-AMINO-1-(4-METHYLPHENYL)-1H-PYRAZOLE-4-CARBOXYLATE