英文名称
3,4',8'-trihydroxy-4,4,7,8a-tetramethyl-7'-[2,3,4'-trihydroxy-6'-(hydroxymethyl)-4,4,7,8a-tetramethylspiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2'-3H-1-benzofuran]-7'-yl]spiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2'-7,8-dihydro-3H-cyclopenta[g][1]benzofuran]-6'-one