(2R,3aR,7R,10R,10aR,13S)-10,13-dihydroxy-7-(methoxymethyl)-1,1-dimethyl-5,6-dioxododecahydro-5a,8-methanocyclohepta[c]furo[3,4-e]chromen-2-yl rel-acetate 3beta-Acetoxy-6beta,11alpha-dihydroxy-16alpha-methoxymethyl-6,20-epoxy-6,7-seco-ent-kaur-15-one-1,7-olide 5H-5a,8-methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione, 2-(acetyloxy)decahydro-10,13-dihydroxy-7-(methoxymethyl)-1,1-dimethyl-, (2S,3aS,7S,10S,10aS,13R)- InChI=1/C23H32O9/c1-10(24)31-14-6-15-23(9-30-19(27)17(23)21(14,2)3)16-13(25)5-11-7-22(16,20(28)32-15)18(26)12(11)8-29-4/h11-17,19,25,27H,5-9H2,1-4H3/t11?,12-,13+,14+,15+,16-,17?,19-,22?,23?/m1/s Taibaijaponicain B