Metoprolol (free base),neat,neat,50mg,

Urethane, 1000µg/ml in MeOH, 1ml

Chlorobenzene, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 108-90-7

5-Nitro-o-toluidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 99-55-8