16beta,22R;21,23S-Diepoxy-3beta,21S,24-trihydroxystigmasta-8,14-dien-28-one 9(1H)-phenanthrenone, 2,3,4,4a,10,10a-hexahydro-2,5,8-trihydroxy-6-methoxy-1,1,4a-trimethyl-7-(1-methylethyl)-, (2S,4aS)- InChI=1/C29H42O6/c1-14(2)29(33,15(3)30)25-24-22(26(32)35-25)23-21(34-24)13-20-18-7-6-16-12-17(31)8-10-27(16,4)19(18)9-11-28(20,23)5/h13-14,16-17,21-26,31-33H,6-12H2,1-5H3/t16-,17-,21-,22-,23+,24+,25-,26-,27-,28-,29+/m0/s Vernoguinosterol rel-(3R)-3-[(3R,4aR,7aR,8aS,9R,11R,11aR,11bS,11cS,13bR)-3,11-dihydroxy-11c,13b-dimethyl-2,3,4,4a,5,6,7a,8a,9,11,11a,11b,11c,12,13,13b-hexadecahydro-1H-furo[3,4-b]naphtho[2',1':4,5]indeno[1,2-d]furan-9