Metoprolol tartrate, 100 µg/ml, Methanol, 1ml

2-Ethylhexyl n-octyl phthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3461-26-5

4-Nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 57835-92-4

2,2,4a,7,8-Pentamethyl-cis-decaline; C15 Bicyclic terpane, ca. 20 µg/mL, Solvent-isooctane, Unit 0.25µL, # of units-1, Cas.no.