3-(2,4,5-Trichlorophenoxy)propionic acid propylene glycol butyl ether ester 6047-17-2 Propanoic acid, 3-(2,4,5-trichlorophenoxy)-, 3-butoxypropyl ester Propionic acid, 3-(2,4,5-trichlorophenoxy)-, 3-butoxypropyl ester