Oryzalin, 100mg

2,3,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2-Methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 3149-28-8

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml