4-[(4-chlorophenyl)methyl]-2H-phthalazin-1-one 4-(4-chlorobenzyl)-2H-phthalazin-1-one 53242-88-9 4-((4-Chlorophenyl)methyl)phthalazin-1(2H)-one EINECS 258-445-3 4-(4-chlorobenzyl)-1(2H)-phthalazinone MLS000547504 1(2H)-Phthalazinone, 4-[(4-chlorophenyl)methyl]- AIDS-368012 AIDS368012 SMR000113649 Oprea1_490645