4,6-Difluoro-3-nitropyridin-2-amine
 
N-(5-Bromo-3-nitropyridin-2-yl)acetamide
 
2,2,2-Trifluoro-N-((5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl)ethanamine hydrochloride
 
6-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-2-carboxylic acid