β-アミレン5α-オレアナ-12-エンオレアナ-12-エン(4aR,6aS,6bR,8aS,12aS,12bR,14bR)-2,2,4a,6a,6b,9,9,12a-オクタメチル-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-イコサヒドロピセンβ-AmyreneOLEAN-12-ENE18(H)-Olean-12(13)-ene18beta(H)-olean-12(13)-ene18(H)-Olean-12(13)-ene in isooctane