1(2H)-Phthalazinone hydrazone 1(2H)-Phthalazinone, hydrazone 1-Hydrazinophthalazine 1-Phthalazinylhydrazine 304-20-1 5-25-17-00412 (Beilstein Handbook Reference) 6-Hydralazine 86-54-4 Apresolin Apresoline Apressin Apressin (pharmaceutical) Aprezolin BA 5968 BRN 0132615 C 5968 C-5968 CCRIS 5385 Ciba 5968 EINECS 201-680-3 HSDB 434 HYDRALAZINE Hidralazin Hidralazina [INN-Spanish] Hidralazina [Spanish] Hipoftalin Hydralazin Hydralazinum [INN-Latin] Hydrazinophthalazine Hydrazone 1(2H)-phthalazinone Hypophthalin Idralazina [DCIT] Idralazina [Italian] NSC 126699 Phthalazine, 1-hydrazino- Praparat 5968