(+/-)-3
c-(2-diethylamino-ethyl)-9,10-dimethoxy-(11b
r)-1,3,4,6,7,11b-hexahydro-pyrido[2,1-
a]isoquinolin-2-one                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
(+/-)-3c-(2-diethylamino-ethyl)-9,10-dimethoxy-(11br)-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2t-ol