(20S)-16alpha-Hydroxy-20-(formylamino)-3beta-(dimethylamino)-9,10-seco-buxa-9(11),10(19)-diene InChI=1/C27H44N2O2/c1-17(28-16-30)24-22(31)15-27(5)21-10-9-20-18(14-19(21)12-13-26(24,27)4)8-11-23(29(6)7)25(20,2)3/h12,14,16-17,20-24,31H,8-11,13,15H2,1-7H3,(H,28,30)/t17-,20?,21?,22+,23-,24-,26+,27-/m0/s N-[1-(9-Dimethylamino-2-hydroxy-3a,10,10,12b-tetramethyl-1,2,3,3a,4,7,8,9,10,10a,11,12,12a,12b-tetradecahydro-benzo[4,5]cyclohepta[1,2-e]inden-3-yl)-ethyl]-formamide N20-Formylbuxaminol E formamide, [1-[(2R,3S,3aR,9S,12bS)-9-(dimethylamino)-1,2,3,3a,4,7,8,9,10,10a,11,12,12a,12b-tetradecahydro-2-hydroxy-3a,10,10,12b-tetramethylbenzo[4,5]cyclohept[1,2-e]inden-3-yl]ethyl]- rel-N-{(1R)-1-[(2S,3R,3aS,9R,12bR)-9-(dimethylamino)-2-hydroxy-3a,10,10,12b-tetramethyl-1,2,3,3a,4,7,8,9,10,10a,11,12,12a,12b-tetradecahydrobenzo[4,5]cyclohepta[1,2-e]inden-3-yl]ethyl}formamide