tert-butyl 2-(2-(4-bromophenyl)-1,6-naphthyridine-4-carbonyl)hydrazine-1-carboxylate

tert-butyl (3-(4'-(4-(2-(tert-butoxycarbonyl)hydrazine-1-carbonyl)-1,6-naphthyridin-2-yl)-[1,1'-biphenyl]-4-yl)isoxazole-5-carbonyl)-D-prolinate

tert-butyl 1-(4'-(4-(2-(tert-butoxycarbonyl)hydrazine-1-carbonyl)-1,6-naphthyridin-2-yl)-[1,1'-biphenyl]-4-yl)pyrrolidine-3-carboxylate