tert-butyl methyl [(3R,4S,5S)-1-(3-aminopyridin-4-yl)-5-methylpiperidine-3,4-diyl]biscarbamate

tert-butyl methyl [(3R,4S,5S)-1-(3-{[(3-{[(benzyloxy)carbonyl]amino}-7-bromoquinolin-2-yl)carbonyl]amino}pyridin-4-yl)-5-methylpiperidine-3,4-diyl]biscarbamate

tert-butyl methyl [(3R,4S,5S)-1-(3-{[(3-{[(benzyloxy)carbonyl]amino}-7-morpholin-4-ylquinolin-2-yl)carbonyl]amino}pyridin-4-yl)-5-methylpiperidine-3,4-diyl]biscarbamate

methyl ((3R,4S,5S)-3-amino-1-(3-(3-amino-7-morpholinoquinoline-2-carboxamido)pyridin-4-yl)-5-methylpiperidin-4-yl)carbamate