1,3-Diphenyl-6,7,8,9-tetrahydro-3H-pyrazolo(3,4-c)isoquinoline 3H-Pyrazolo(3,4-c)isoquinoline, 6,7,8,9-tetrahydro-1,3-diphenyl- 6,7,8,9-Tetrahydro-1,3-diphenyl-3H-pyrazolo(3,4-c)isoquinoline 99699-99-7