5-[(tert-butoxycarbonyl)amino]-2-(2,6-difluoro-3-methoxyphenyl)-1,3-thiazole-4-carboxylic acid

tert-butyl ((3S,4S)-1-(3-(5-((tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxamido)-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)-4-((tert-butyldimethylsilyl)oxy)piperidin-3-yl)carbamate

tert-butyl ((3R,4R)-1-(6-(5-((tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxamido)thieno[3,2-b]pyridin-7-yl)-4-((tert-butyldimethylsilyl)oxy)piperidin-3-yl)carbamate

tert-butyl {(3R,4R,5S)-1-[3-({[5-[(tert-butoxycarbonyl)amino]-2-(2,6-difluorophenyl)-1,3-thiazol-4-yl]carbonyl}amino)-7-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl]-4-hydroxy-5-methylpiperidin-3-yl}carbamate