methyl 6-(3,4-difluorophenyl)-1-[3-[4-(4-methoxy-2-methylphenyl)piperazin-1-yl]propylcarbamoyl]-4-methyl-2-oxo-3,6-dihydropyrimidine-5-carboxylate methyl 6-(3,4-difluorophenyl)-1-[3-[4-(4-methoxy-2-methyl-phenyl)piperazin-1-yl]propylcarbamoyl]-4-methyl-2-oxo-3,6-dihydropyrimidine-5-carboxylate 6-(3,4-difluorophenyl)-1-[[3-[4-(4-methoxy-2-methylphenyl)-1-piperazinyl]propylamino]-oxomethyl]-4-methyl-2-oxo-3,6-dihydropyrimidine-5-carboxylic acid methyl ester 6-(3,4-difluorophenyl)-2-keto-1-[3-[4-(4-methoxy-2-methyl-phenyl)piperazin-1-yl]propylcarbamoyl]-4-methyl-3,6-dihydropyrimidine-5-carboxylic acid methyl ester