7 Analytes in MethanolAcifluorfen methyl ester . 200 µg/mL Dicamba methyl ester . 300 µg/mL Bentazon methyl derivative. 1000 µg/mL Picloram methyl ester . 300 µg/mL2,4-D methyl ester. 100 µg/mL Silvex methyl ester . 100 &micr