1H-Pyrido[3,4-b]indol-6-ol, 1-[[(2S,3R,11bS)-3-ethyl-1,3,4,6,7,11b-hexahydro- 9,10-dimethoxy-2H-benzo[a]quinolizin-2-yl]methyl]- 2,3,4,9-tetrahydro-, (1R)- 2632-29-3 Marckine NSC131547 TUBOLOSINE TUBULOSINE Tubulosan-8'-ol, 10,11-dimethoxy-