Synonyms: BRN 4493920;3-Mercapto-6-phenyl-1,2,4-triazolo(3,4-a)phthalazine;1,2,4-Triazolo(3,4-a)phthalazine, 3-mercapto-6-phenyl-;1,2,4-Triazolo(3,4-a)phthalazine-3(2H)-thione, 6-phenyl-;AC1O4Q12;MolPort-000-650-368;CCG-22578;AKOS000811573;LS-156598;T5890303;F0306-0476;6-phenyl-2H-[1,2,4]triazolo[3,4-a]phthalazine-3-thione;87540-71-4