(-)-delta-9-THC-acid-13C4

4-Isopropylaniline, 100 µg/ml, Methanol, 5ml

Spike Sample Standard 2A (Water)

4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4