2,2',3,4',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Ethanol standard in serum,0.8g/L,serum, 1.5mL

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

2-Methylhexane