3-amino-7-ethylquinoline-2-carboxylic acid

tert-butyl ((3R,4R,5S)-1-(3-(3-(((benzyloxy)carbonyl)amino)-7-vinylquinoline-2-carboxamido)pyridin-4-yl)-4-((tert-butyldimethylsilyl)oxy)-5-methylpiperidin-3-yl)carbamate

tert-butyl ((3R,4R,5S)-1-(3-(3-(((benzyloxy)carbonyl)amino)-7-vinylquinoline-2-carboxamido)-5-methylpyridin-4-yl)-4-((tert-butyldimethylsilyl)oxy)-5-methylpiperidin-3-yl)carbamate

3-{[(benzyloxy)carbonyl]amino}-7-vinylquinoline-2-carboxylic acid