Sigma-Aldrich
METHYL 4-(4-CHLOROPHENYL)-2,7,7-TRIMETHYL-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXYLATE
Methyl 4-(4-methoxyphenyl)-4-oxobutanoate
METHYL 4-(5-(3-CHLORO-4-METHYLPHENYL)-2-FURYL)-6-METHYL-2-OXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINECARBOXYLATE
methyl 4-(diphenylamino)-4-oxobutanoate
Methyl 4-Acetamido-2-methoxybenzoate
METHYL 4-BENZYLOXY-3-NITROBENZOATE
methyl 4-chloro-2-[(3-ethoxy-3-oxopropanoyl)amino]benzoate
Methyl 4-fluoro-2-hydroxybenzoate
Methyl 4-isocyanobenzoate
methyl 4-oxo-2,4-diphenylbutanoate
METHYL 4-TERT-BUTYL-3,5-DIAMINOBENZOATE DIHYDROCHLORIDE
Methyl 4,5-dimethoxy-2-nitrobenzoate
METHYL 5-([(2S)-2-[(TERT-BUTOXYCARBONYL)AMINO]-4-PENTENOYL]AMINO)-4-OXOPENTANOATE
METHYL 5-(2-AMINO-4-HYDROXY-6-METHYL-5-PYRIMIDINYL)PENTANOATE
Methyl 5-(4-(p-tolyloxy)phenyl)-3-aminothiophene-2-carboxylate