(2R-(2alpha,3beta,4abeta,6aalpha,10abeta,10balpha))-3-Ethenyldodecahydro-3,4a,7,7,10a-pentamethyl-1H-naphtho(2,1-b)pyran-2-ol acetate 122551-69-3 1H-Naphtho(2,1-b)pyran-2-ol, 3-ethenyldodecahydro-3,4a,7,7,10a-pentamethyl-, acetate, (2R-(2alpha,3beta,4abeta,6aalpha,10abeta,10balpha))- Ent-13-epi-12-acetoxymanoyl oxide Manoyl oxide F1