(1S,2R,3R,3aS,6aR,7aS,11S,11aS,11bS)-1,2,11-trihydroxy-3,8,11a-trimethyldecahydro-2H-11c,1-(epoxymethano)dibenzo[de,g]chromene-5,10(3H,6aH)-dione
CAS No. 4547-22-2