111066-01-4
3',4',9',10'-tetrahydro-spiro[cyclopentane-1,1'-phenanthren]-2'-one
→
111357-97-2
3',4',9',10'-tetrahydro-2'H-spiro[cyclopentane-1,1'-phenanthren]-2'-ol
218-01-9
屈
109558-10-3
1,2,3,4,5,6,11,12-octahydro-chrysene