4-{3-[2-methyl-4-(N-isopropyl-N-ethoxycarbonylmethylamino-carbonyl-amino)-phenyl]-propargylamino}-benzamidine                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                                                        以42%的产率得到4-{3-[2-methyl-4-(N-isopropyl-N-hydroxycarbonylmethylamino-carbonyl-amino)-phenyl]-propargylamino}-benzamidine