(+)-Isothalmidine 17,29-dihydroxy-6,28,35-trimethoxy-23-methyl-15-oxa-8,23-diazaheptacyclo[20.6.2.2~2,5~.2~11,14~.1~16,20~.0~4,9~.0~26,30~]pentatriaconta-1(28),2,4,6,11,13,16(31),17,19,26,29,32,34-tridecaene-8-carbalde InChI=1/C37H36N2O7/c1-38-12-11-23-16-33(44-3)36-27-17-25-26(18-31(27)43-2)34(45-4)19-39(20-40)28(25)13-21-5-8-24(9-6-21)46-32-15-22(7-10-30(32)41)14-29(38)35(23)37(36)42/h5-10,15-20,28-29,41-42H,11-14H2,1-4H formamide, N-[(1S)-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]-