ethyl {6-[(1-methoxy-2-phenylindolizin-3-yl)carbonyl]-2,4-dioxo-1,4-dihydroquinazolin-3(2H)-yl}acetate                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 7.0h,
                                                                                                                生成                                                 {6-[(1-methoxy-2-phenylindolizin-3-yl)carbonyl]-2,4-dioxo-1,4-dihydroquinazolin-3(2H)-yl}acetic acid sodium salt