英文名称
2H,3H-Cyclopenta[d']naphtho[1,8-bc:2,3-b']difuran-6-acetic acid, 8-(3-furanyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-3-hydroxy-2a,5a,6a,7-tetramethyl-5-[(2-methyl-1-oxo-2-butenyl)oxy]-, methyl ester, [2aR-[2aalpha,3beta,5beta(E),5aalpha,6alpha,6aalpha,8beta,9abeta,10aalpha,10balpha,10cbeta]]