(1aR,2R,3R,4aR,6S,7S,7aS,8E,10R,11S,11aS)-2,7-bis(acetyloxy)-10-(benzoyloxy)-1,1,3,6,9-pentamethyl-4-oxo-1,1a,2,3,4,6,7,10,11,11a-decahydro-5H-4a,7a-epoxycyclopenta[a]cyclopropa[f][11]annulen-11-yl re 3,12-Diacetyl-7-benzoyl-8-nicotinylingol 3-pyridinecarboxylic acid, (1aR,2R,3R,4aR,6S,7S,7aS,8E,10R,11S,11aS)-2,7-bis(acetyloxy)-10-(benzoyloxy)-1,1a,2,3,4,6,7,10,11,11a-decahydro-1,1,3,6,9-pentamethyl-4-oxo-4a,7a-epoxy-5H-cyclopenta[a]cyclo InChI=1/C37H41NO10/c1-19-16-37-32(45-23(5)40)20(2)17-36(37,48-37)31(41)21(3)29(44-22(4)39)26-27(35(26,6)7)30(47-34(43)25-14-11-15-38-18-25)28(19)46-33(42)24-12-9-8-10-13-24/h8-16,18,20-21,26-30,32H,17H2,1-7H3/b19-16+/t20-,21+,26-,27+,28+,29-,30-,32-,36-