6-(2-methylpropylsulfanyl)-7H-purine

1-N,4-N-diphenylphthalazine-1,4-diamine

N-benzyl-3-phenyl-[1,2,4]triazolo[3,4-a]phthalazin-6-amine

1,4-bis(1-methylimidazol-2-yl)phthalazine

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