Musk Ambrette, 25mg

Trifluralin D14 (di-n-propyl D14), certified, 10mg

Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml