Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml

n-Butyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 94-26-8

EPA Method 8032 Internal Standard

3-Demethyl Colchicine, 25mg