Disulfoton-sulfone, 100 µg/ml, Toluene, 1ml

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

1,1,3,3,5-Pentamethylindan, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-03-8

Methyl chloroformate