1-(1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-3-{1-[2-methyl-3-(trifluoromethyl)phenyl]ethyl}-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇   、                                                                                         
2-甲基戊烷   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 1-(1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-3-{1-[2-methyl-3-(trifluoromethyl)phenyl]ethyl}-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid   、                                                                                             1-(1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-3-{1-[2-methyl-3-(trifluoromethyl)phenyl]ethyl}-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid