72280-52-5 CGA 82725 EINECS 276-571-7 Prop-2-ynyl 2-(4-((3,5-dichloro-2-pyridyl)oxy)phenoxy)propionate Propanoic acid, 2-(4-((3,5-dichloro-2-pyridinyl)oxy)phenoxy)-, 2-propynyl ester