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

(R,E)-N-((5-bromo-2-fluoropyridin-3-yl)methylene)-2-methylpropane-2-sulfinamide

(R)-N-((S)-1-(5-bromo-2-fluoropyridin-3-yl)but-3-en-1-yl)-2-methylpropane-2-sulfinamide

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

(S)-tert-butyl (1-(5-(2-amino-4-nitrophenyl)-2-fluoropyridin-3-yl)but-3-en-1-yl)carbamate