C27H33N3O3,1H3-7H2-24H-14H2-30-11H2-9H2-16-5H-20(32H)21(33H)6H-18(16)27H(30)13H2-25H(24)12H2-26H-23-22(8H2-10H2-28H-26)17-4H-15(31H)2H-3H-19(17)29H-23
24+,25-,26+,27-
999-99-9
CO.CCC1CN2CCc3cc(O)c(O)cc3C2CC1CC4NCCC5=C4Nc6ccc(O)cc56
10 or 11-Demethoxytubulosine