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