viridiol

(1beta,2beta,3beta)-1,3-Dihydroxy-2-methoxy-18-norandrosta-5,8,11,13-tetraeno[6,5,4-bc]furan-7,17-dione

(1S)-1,2,3,7,8,11b-Hexahydro-1α,3α-dihydroxy-2α-methoxy-11bα-methylcyclopenta[7,8]phenanthro[10,1-bc]furan-6,9-dione