Ethanol standard in serum,4.0g/L,serum, 3mL

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9

Caffeic acid, >98%, 20mg

4-Chloroanisole