Synonyms: Cyclopropa[d]naphthalene,1,1a,4,4a,5,6,7,8-octahydro-2,4a,8,8-tetramethyl-, (1aS,4aS,8aS)-(-)- (8CI);Cyclopropa[d]naphthalene, 1,1a,4,4a,5,6,7,8-octahydro-2,4a,8,8-tetramethyl-,[1aS-(1aa,4ab,8aR*)]-; Thujopsene (6CI); (-)-Thujopsene; NSC 44707;Sesquichamene; Thujopsen; Thujopsene, (-)-; Widdrene; cis-(-)-Thujopsene