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

2-{(3R)-3-[(3E)-6-(tert-butyldiphenylsilanyloxy)hex-3-enyl]-2-oxo-1,2,3,6-tetrahydropyridin-3-yl}-N-(3,4-dimethoxyphenyl)acetamide

2-{(3R)-3-[(3E)-6-(tert-butyldiphenylsilanyloxy)hex-3-enyl]-2-methoxy-3,6-dihydropyridin-3-yl}-N-(3,4-dimethoxyphenyl)acetamide