methyl-4-{3-(3-hydroxy-(1E)-pentenyl)-4-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenylaminocarbonyl}butanoate

methyl-5-{3-[2-(methoxycarbonyl)ethyl]-4-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenyl}pentanoate

methyl-3-{5-[4-(dimethylaminocarbonyl)butyl]-2-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenyl}propanoate

tert-butyl-3-{2-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]-5-(trifluoroacetylamino)phenyl}propanoate

methyl-3-{2-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]-5-benzoylaminophenyl}propanoate