(2,2'-联-2H-异吲哚)-1,1',3,3'-四酮

6-chloro-3-phenyl-[1,2,4]triazolo[3,4-a]phthalazine

1,4-bis(methylsulfanyl)phthalazine

tetrazolo[5,1-a]phthalazin-6-amine

6-ethoxytetrazolo[5,1-a]phthalazine