gamma-Cyhalothrin, 100µg/ml in Cyclohexane, 1ml

Benzo(a)pyrene

all-trans 4-Keto Retinoic Acid, 5mg

2H-Perfluoro-[1,2-13C2]-2-dodecenoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml