2-Butoxyethyl ((3,4,6-trichloro-2-pyridinyl)oxy)acetate 64470-88-8 Acetic acid, ((3,4,6-trichloro-2-pyridinyl)oxy)-, 2-butoxyethyl ester Triclopyr butoxyethyl ester Triclopyr-(2-butoxyethyl)