[C-]#[N+][C@]12C=C(C(C)C)CC[C@]1(C)CCC[C@@H]2C	(1S,4aS,8aR)-8a-isocyano-1,4a-dimethyl-7-propan-2-yl-1,2,3,4,5,6-hexahydronaphthalene