4-HYDROXY-8-METHOXY-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER ETHYL 4-HYDROXY-6-METHOXYQUINOLINE-3-CARBOXYLATE 3-(2,3-DIMETHOXY-PHENYL)-3-OXO-PROPIONIC ACID ETHYL ESTER 3-(4-BROMO-2-FLUORO-3-METHOXY-PHENYL)-3-OXO-PROPIONIC ACID ETHYL ESTER 3-( 2,5-dimethowy-phenyl)-3-oxo-propionic acid ethyl ester 3-(3,5-DIMETHOXY-PHENYL)-3-OXO-PROPIONIC ACID ETHYL ESTER