(-)-Buxakarachiamine (20S)-20-Dimethylamino-2'-hydroxy-3beta-methyl-3'-methyl-butanoylamino-9,10-seco-buxa-9(11),10(19)-dien-31-ol InChI=1/C32H54N2O3/c1-20(2)28(36)29(37)34(9)27-13-10-22-18-23-14-16-31(5)24(21(3)33(7)8)15-17-32(31,6)26(23)12-11-25(22)30(27,4)19-35/h14,18,20-21,24-28,35-36H,10-13,15-17,19H2,1-9H3/t21-,24+,25+,26+,27-,28?,30-,31+,32-/m0/s N-[3-(1-Dimethylamino-ethyl)-10-hydroxymethyl-3a,10,12b-trimethyl-1,2,3,3a,4,7,8,9,10,10a,11,12,12a,12b-tetradecahydro-benzo[4,5]cyclohepta[1,2-e]inden-9-yl]-2-hydroxy-3,N-dimethyl-butyramide rel-(2R)-N-[(3S,3aR,9S,10S,10aR,12aR,12bS)-3-[(1S)-1-(dimethylamino)ethyl]-10-(hydroxymethyl)-3a,10,12b-trimethyl-1,2,3,3a,4,7,8,9,10,10a,11,12,12a,12b-tetradecahydrobenzo[4,5]cyclohepta[1,2-e]inden-9