Synonyms: BRN 3624653;1,2,4-Triazolo(4,3-b)pyridazin-3(2H)-one, 6-(4-chlorophenyl)-8-phenyl-;6-(4-Chlorophenyl)-8-phenyl-1,2,4-triazolo(4,3-b)pyridazin-3(2H)-one;AC1O4Q30;LS-156722;6-(4-chlorophenyl)-8-phenyl-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one;130392-75-5