13C3-Caffeine, 10mg

Phenkapton, 10.0 µg/ml, Acetonitrile, 10ml

2,3',4,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-10-0

Gold (Au)