delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml,

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7

1,2,4-Trichlorobenzene, 10 µg/ml, Acetonitrile,

Acetaminophen-d4 (Paracetamol-d4),100 µg/mL,MeOH,1mL