| 4-nitro-benzaldehyd (4-chloro-2-methyl-1(2h)-phthalazinylidene)hydrazone |
| 2-methyl-4-chlorophthalazone 4-nitrobenzylidenehydrazone |
| 4-nitrobenzaldehyde (4-chloro-2-methyl-1(2h)-phthalazinylidene)hydrazone |
| 4-nitro-benzaldehyd(4-chloro-2-methyl-1(2h)-phthalazinylidene)hydrazone |
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