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

ethyl-3-{5-[4-(dimethylaminocarbonyl)-1-hydroxybutyl]-2-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenyl}propanoate

ethyl-6-{2-[2-(ethoxycarbonyl)ethyl]-3-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenyl}hexanoate

3-{5-[(4-formyloxy)butanoylamino]-2-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenyl}propanoic acid

ethyl-4-{2-[2-(ethoxycarbonyl)ethyl]-3-[6-(4-methoxyphenyl)-(5E)-hexenyloxy]phenoxy}butanoate