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Methyl 2-amidinoacetate hydrochloride

Ethyl 4-hydroxyisoxazole-3-carboxylate

4,5-Dichloro-3-isothiazolecarbonitrile

Tert-butyl (e)-3-(methylsulfonyl)allylcarbamate

3-(1H-pyrazol-4-yl)pyridine

Tert-butyl 2-hydroxybut-3-enylcarbamate

3-Tert-butyl-1h-pyrazole-4-carbonitrile

Tert-butyl 2-oxobut-3-enylcarbamate

2-Bromo-5-nitrobenzenesulfonyl chloride

(E)-ethyl 4-bromo-2-(hydroxyimino)-3-oxobutanoate