(2,4-Dichlorophenoxy)acetic acid isopropyl ester (2,4-Dichlorophenoxy)acetic acid, isopropyl ester 2,4-D Isopropyl ester 94-11-1 Acetic acid, (2,4-dichlorophenoxy)-, 1-methylethyl ester Acetic acid, (2,4-dichlorophenoxy)-, isopropyl ester Esteron 44 Isopropyl (2,4-dichlorophenoxy)acetate Isopropyl 2,4-D ester NSC521749 WLN: GR CG DO1VOY1&1 Weedone 128