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