Showing structure for 5-[(2,7-dihydroxy-2,5,5,8a-tetramethyl-hexahydro-1h-naphthalen-1-yl)methyl]-4a-(5,7-dihydroxy-4-oxochromen-2-yl)-2-methoxy-6-methyl-8,8a-dihydro-5h-naphthalene-1,4-dione