1H-Pyrido(4,3-b)indole, 2,3,4,5-tetrahydro-2-isobutyl-8-methyl-5-(2-(6-methyl-3-pyridyl)ethyl)- 2,3,4,5-Tetrahydro-2-isobutyl-8-methyl-5-(2-(6-methyl-3-pyridyl)ethyl)-1H-pyrido(4,3-b)indole 20674-98-0