Formaldehyd-DNPH, 100mg

Trifluralin-d14 (di-n-propyl-d14), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347841-79-6

5-Methylchrysene

Sulfaphenazole, 100 µg/ml, Methanol, 5ml