21537-95-1

3-Bromo-s-triazolo[3,4-a]phthalazine 3-Bromo-s-triazolo[3,4-α]phthalazine 3-Bromo-1,2,4-triazolo[3,4-a]phthalazin 3-Bromo-1,2,4-triazolo[3,4-a]phthalazine 3-Bromo-1,2,4-triazolo[3,4-α]phthalazine