tert-butyl N-[1-(5-{2-amino-4-[(methoxycarbonyl)amino]phenyl}-2-methoxypyridin-3-yl)but-3-en-1-yl]carbamate

(R)-2-methylbut-3-enoic acid

2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5-nitro-phenylamine

N-(1-(5-bromo-2-methoxypyridin-3-yl)but-3-en-1-yl)-2-methylpropane-2-sulfinamide

tert-butyl (1-(5-bromo-2-methoxypyridin-3-yl)but-3-en-1-yl)carbamate