(2α,6αβ,8aβ)-1,2,3,4,6,7,8,8a-Octahydro-5,6-dimethyl-2-naphthalinoltrifluoracetat                                                                                                                                                                                                                                                                                                          生成                                                 
3,4,6,7,8,8a-Hexahydro-5-methyl-2(1H)-naphthalinon   、                                                                                             (6α,8aβ)-3,4,6,7,8,8a-Hexahydro-5,6-dimethyl-2(1H)-naphthalinon   、                                                                                             (6β,8aβ)-3,4,6,7,8,8a-Hexahydro-5,6-dimethyl-2(1H)-naphthalinon