1-Methyl-2-phenyl-5,6-dihydro-pyrazolo(5,1-a)isoquinoline 5,6-Dihydro-1-methyl-2-phenylpyrazolo(5,1-a)isoquinoline 5-23-09-00428 (Beilstein Handbook Reference) 61001-41-0 BRN 0661965 Pyrazolo(5,1-a)isoquinoline, 5,6-dihydro-1-methyl-2-phenyl-