1-Phenyl-3,5,8-trimethyl-1,4,5,6,7,8-hexahydropyrazolo(3,4-e)(1,4)diazepin-4,7-dione 1-Pthpdd 126567-68-8 Pyrazolo(3,4-e)(1,4)diazepine-4,7-dione, 1,5,6,8-tetrahydro-3,5,8-trimethyl-1-phenyl-