Ethyl 4-(2,6-dichloro-5-fluoropyridin-3-yl)-3-oxobutanoate
1-(5-Bromo-4-hydroxypyridin-3-yl)ethanone
1-(3-Chloropyridin-2-yl)cyclobutanecarboxylic acid
tert-Butyl 2-(3-((4-amino-3-hydroxy-4-oxo-1-phenylbutan-2-yl)carbamoyl)pyridin-2-yl)-4,5-dihydro-2H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate