5-(3-ethoxy-4-pentoxyphenyl)-4-[hydroxy-(2-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-1-(5-methyl-1,3,4-thiadiazol-2-yl)pyrrolidine-2,3-dione

dimethyl (2-oxo-1,2-diphenylethyl) phosphate

(3,4-dichlorophenyl) dimethoxyphosphorylformate

3-(4-dimethoxyphosphorylcarbonyloxyphenyl)propanoic acid

butyl dimethoxyphosphorylformate