(-)-Alcanfor (-)-Bornan-2-one 464-48-2 Bicyclo(2.2.1)heptan-2-one, 1,7,7-trimethyl-, (1S,4S)- CAMPHOR, L-, (-)- Camphor, (1S,4S)-(-)- EINECS 207-354-7 NSC 26351 l-Camphor