Ethyl 3-(3-bromopyridin-2-yl)propanoate
Ethyl 3-(3-aminopyridin-2-yl)propanoate
Ethyl 3-(6-aminopyridin-3-yl)propanoate
(E)-N-((5-Bromo-2-chloropyridin-4-yl)methylene)-2-methylpropan-2-amine
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