tert-butyl N-[(3S,6R)-6-[(1S,2R)-1,2-dihydroxy-2-(6-methoxy-1,5-naphthyridin-4-yl)ethyl]oxan-3-yl]carbamate

methyl 2-[(tert-butoxycarbonyl)amino]hex-5-enoate

tert-butyl ((3S,6R)-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)-carbamate