4-(2-Chloro-phenyl)-6-methyl-1-(2,2,2-trifluoro-ethyl)-1,4-dihydro-pyridine-2,3,5-tricarboxylic acid 5-isopropyl ester 2,3-dimethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 4-(2-Chloro-phenyl)-6-methyl-1-(2,2,2-trifluoro-ethyl)-1,4-dihydro-pyridine-2,3,5-tricarboxylic acid 5-isopropyl ester