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4-(4-fluoro-3-(piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one PIPERAZINE DIHYDROCHLORIDE 3-((4-Oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid 1,1,3,3-Tetramethylurea 1-Hydroxybenzotriazole Cyclopropanecarbonyl Chloride 2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzonitrile 2,2'-Oxybis(nitrobenzene) tert-butyl 4-(cyclopropylcarbonyl)-1-piperazinecarboxylate 1-BOC-Piperazine