1355-62-0 17-Norcorynan, 18,19-didehydro-10-methoxy-16-(2,3,4,9-tetrahydro-6-methoxy-1H-pyrido(3,4-b)indol-1-yl)-, (16(R))- 3-alpha,17-beta-Cinchophylline 3alpha,17beta-Cinchophylline Cinchophylline