2,4-D, 2-BUTOXYMETHYLETHYL ESTER 2-Butoxy-1-methylethyl (2,4-dichlorophenoxy)acetate 2-Propanol, 1-butoxy-, (2,4-dichlorophenoxy)acetate 3966-11-8 Acetic acid, (2,4-dichlorophenoxy)-, 2-butoxy-1-methylethyl ester