1928-44-5 2,4-(Dichlorphenoxy)acetic acid octyl ester 2,4-D Octyl ester Acetic acid, (2,4-dichlorophenoxy)-, octyl ester Acetic acid, 2,4-dichlorophenoxy-, octyl ester NSC78930 Octyl 2,4-dichlorophenoxyacetate Octyl ester of 2,4-D