Synonyms1,4-dihydrazinylphthalazine; Ophthazin; Dihydralazin; Dihydrallazin; Dihydrallazine; Hypopresol; Nepresol; Nepresolin; Nepressol; Tonolysin; 1,4-Dihydrazinophthalazine; Dihydrazinophthalazine Close 1,4-dihydrazinylphthalazine; Ophthazin; Dihydralazin; Dihydrallazin; Dihydrallazine; Hypopresol; Nepresol; Nepresolin; Nepressol; Tonolysin; 1,4-Dihydrazinophthalazine; Dihydrazinophthalazine Related products 4-hydrazinylphthalazin-1-amine M.F. M.W. 175.19 CAT# AR-O01402 CAS# NA Ophthazin M.F. M.W. 190.21 CAT# AR-O01401 CAS# 484-23-1 1-hydrazinylphthalazine M.F. M.W. 160.18 CAT# AR-O01403 CAS# 1044569-46-1