1,2,4-Triazolo(3,4-a)phthalazin-6-amine, 3-phenyl-N-(phenylmethyl)- 3-Phenyl-N-(phenylmethyl)-1,2,4-triazolo(3,4-a)phthalazin-6-amine 87539-93-3 BRN 6436751