Benzobicyclon, 100 µg/ml, Acetonitrile, 1ml

Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6

Sodium dodecylbenzenesulfonate (hard type) (ABS 10

Propylene glycol propyl ether