57709-77-0

4-(4-chlorophenyl)-2-phenylphthalazin-1-one 4-(4-chlorophenyl)-2-phenyl-1(2H)-phthalazinone 4-(4-Chloro-phenyl)-2-phenyl-2H-phthalazin-1-one 1(2H)-Phthalazinone, 4-(4-chlorophenyl)-2-phenyl-