Zopiclone, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 43200-80-2

1,1,1,3,11,12-Hexachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-22-5

Internal Standard

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