Demeton-O, 10.0 µg/ml, Cyclohexane, 10ml

Monoethyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

(S)-Hypoglycine A, 85%, 1mg