ethyl 6-chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylate

ethyl 2-((2-(6-chloropyridazin-3-yl)hydrazinyl)sulfonyl)acetate

dimethyl (2E)-2-[(6-chloropyridazin-3-yl)hydrazinylidene]butanedioate

(3E)-3-[(6-chloropyridazin-3-yl)hydrazinylidene]butanamide

1,2,4-噻唑[4,3-b]吡嗪e, 6-氯-3-苯基-