(4R)-4-[(3E)-6-(tert-butyldiphenylsilanyloxy)hex-3-enyl]-2-oxo-2,3,4,7-tetrahydro-1H-azepine-4-carboxylic acid methyl ester

(2R)-2-[(3E)-6-(tert-butyldiphenylsilanyloxy)hex-3-enyl]-2-[(Z)-3-(4-nitrobenzenesulfonyamino)prop-1-enyl]succinic acid dimethyl ester

{(3R)-3-[(3E)-6-(tert-butyldiphenylsilanyloxy)hex-3-enyl]-2-oxo-1,2,3,6-tetrahydropyridin-3-yl}acetic acid methyl ester