Theobromine, 100µg/ml in MeOH, 5ml

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol,

Pyrene