Bicyclo[4.4.0]dec-1(6)-en-2-one p-toluenesulfonylhydrazone

hexahydro-1H-1,3a,7a-(epimethanetriyl)indene

2-acetoxy-1,2,3,4,5,6,7,8-octahydronaphthalene

3,4,5,6,7,8-hexahydro-2H-naphthalen-1-one

1,2-二甲撑环己烷