| 4-nitro-benzaldehyd (2-methyl-1(2h)-phthalazinylidine)hydrazone |
| 2-methylphthalazone 4-nitrobenzylidenehydrazone |
| 4-nitrobenzaldehyde (2-methyl-1(2h)-phthalazinylidine)hydrazone |
| 1,2-dihydro-2-methyl-1-((p-nitrobenzylide)azino)-phthalazin |
| 4-nitro-benzaldehyd(2-methyl-1(2h)-phthalazinylidine)hydrazone |
