10aH-2,12a-Methano-1H,4H-cyclopropa(5,6)(1,3)dioxolo(2',3')cyclopenta(1',2':9,10)cyclodeca(1,2-d)(1,3)dioxin-15-one, 1a,2,7a,13,14,14a-hexahydro-1,1,6,6,9,9,11,13-octamethyl-, (1aR-(1aalpha,2alpha,7aalpha,7bR*,10aalpha,12aalpha,13alpha,14aalpha))- 77573-44-5