(-)-α-Amorphene

1α-Isopropyl-4,7-dimethyl-1,2,4aβ,5,6,8aβ-hexahydronaphthalene

[1S,(-)]-1,2,4aβ,5,6,8aβ-Hexahydro-4,7-dimethyl-1α-(1-methylethyl)naphthalene