Galdosol

6β,20-Epoxy-11,12-dihydroxyabieta-8,11,13-triene-7,20-dione

(4aR)-1,2,3,4,10,10aα-Hexahydro-5,6-dihydroxy-1,1-dimethyl-7-isopropyl-9H-10β,4aβ-(epoxymethano)phenanthrene-9,12-dione