Synonyms: 5-Oxatricyclo[8.2.0.04,6]dodecan-9-one,4,12,12-trimethyl-, (1R,4R,6R,10S)-(-)- (8CI);5-Oxatricyclo[8.2.0.04,6]dodecan-9-one, 4,12,12-trimethyl-,[1R-(1R*,4R*,6R*,10S*)]-; (-)-Kobusone; 6,7-Epoxy-12-norcaryophyllan-3-one;Kobusone; Kobusone, (-)-