N-[3-(3,4-dihydro-4,4-dimethyl-1,3-dioxo-2(1H)-isoquinolyl-propyl]-N-(3-amino-propyl)-methylamine   、                                                                                      
ethyl 2,2-dimethyl-2-(2-carboxy-4-hydroxy-phenyl)-acetate   、                                                                                      
乙烯                                                                                                                                                                                                                                                                                                          生成                                                 N-[3-(3,4-dihydro-4,4-dimethyl-7-hydroxy-1,3-dioxo-2(1H)-isoquinolyl)-propyl]-N-[3-(3,4-dihydro-4,4-dimethyl-1,3-dioxo-2(1H)-isoquinolyl)-propyl]-methylamine