3,6-dichloropicolinic acid-13C3;3,6-Dichloro-2-pyridinecarboxylic Acid-13C3; 3,6-Dichloro-2-picolinic Acid-13C3; Cirtoxin-13C3; Dichloro pyridine acid-13C3; Dowco 290-13C3; IWD 3523-13C3; Lontrel-13C3; Lontrel 100-13C3; Lontrel 3-13C3; Lontrel 300-13C3; Lontrel L-13C3;Clopyralid-13C3
