2-[4-(4-Chloro-phenoxy)-phenoxy]-propionic acid propyl ester
2-[4-(4-Bromo-phenoxy)-phenoxy]-propionic acid propyl ester
2-[4-(2,4-Dichloro-phenoxy)-phenoxy]-propionic acid propyl ester
<2-(4-Jod-benzoyloxy)-propionsaeure>-propylester
4-[(E)-2-(3-Hydroxy-phenyl)-vinyl]-1-(1-propoxycarbonyl-ethyl)-pyridinium; bromide