13C3-Caffeine, 100 µg/ml, Methanol, 1ml

Levoglucosan, 1000µg/mL, Solvent-Tetrahydrofuran, Unit 1mL, # of units-5, Cas.no. 498-07-7

Nifedipine

D4-Ethephon-hydroxy, 100 µg/ml, Acetone, 1ml