69578-92-3
tert-butyl (3E)-3-[(6-chloropyridazin-3-yl)hydrazinylidene]butanoate
69579-13-1
tert-butyl (3E)-3-[(6-morpholin-4-ylpyridazin-3-yl)hydrazinylidene]butanoate
69579-17-5
tert-butyl (3E)-3-[(6-carbamoylpyridazin-3-yl)hydrazinylidene]butanoate
7304-72-5
tert-butyl 2-chloro-3-oxobutanoate
76849-54-2
tert-butyl 2-oxopropanoate

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