(3aS-cis)-3a,12a-Dihydro-4,6-dihydroxy-5H-furo(3',2':4,5)furo(3,2-b)xanthen-5-one 55256-49-0 5H-Furo(3',2':4,5)furo(3,2-b)xanthen-5-one, 3a,12a-dihydro-4,6-dihydroxy-, (3aS-cis)- BRN 1404086 CCRIS 3231 Sterigmatin