英文别名KU-0058948; KU 0058948; KU0058948; 4-[[4-fluoro-3-[(hexahydro-1H-1,4-diazepin-1-yl)carbonyl]phenyl]Methyl]-1(2H)-phthalazinone; 1-[5-[(3,4-dihydro-4-oxo-1-phthalazinyl)Methyl]-2-fluorobenzoyl]hexahydro-1H-1,4-diazepine; Venadaparib Impurity 1; 4-[3-(1,4-Diazepan-1-ylcarbonyl)-4-fluorobenzyl]-1(2H)-phthalazin one