10H-Pyrido(3',4':4,5)pyrrolo(2,3-g)isoquinolin-10-one, 5,9-dihydro-6-methyl- 5,9-Dihydro-6-methyl-10H-pyrido(3',4':4,5)pyrrolo(2,3-g)isoquinolin-10-one 5H-Pyrido(3',4':4,5)pyrrolo(2,3-g)isoquinolin-10-ol, 6-methyl- 69022-45-3