Caffeine

Heptanoic acid (Enanthic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 111-14-8

Dodine, 10 µg/ml, Acetonitrile, 10ml

cis-Decaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 493-01-6