1-(2H-Indol-3-yl)-9H-pyrido(3,4-b)indole 155885-64-6 9H-Pyrido(3,4-b)indole, 1-(1H-indol-3-yl)- 9H-Pyrido(3,4-b)indole, 1-(2H-indol-3-yl)- Eudistomin U