4-((3S,5R)-3-((tert-butoxycarbonyl)amino)-5-methylpiperidin-1-yl)-3-(6-(2,6-difluoro-4-(2-hydroxypropan-2-yl)phenyl)-5-fluoropicolinamido)-6,7-dihydro-5H-cyclopenta[b]pyridin-7-yl acetate

pyroglutamoyl chloride

4-chloro-3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridine