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