CLP Semi-Volatile Base/Neutral Surrogate Std

2-Perfluorobutyl-[1,1,2,2-2H4]-ethanol (4:2), 50µg/ml in MeOH, 1,2ml

D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml

2,2-Bis(4-chlorophenyl)ethanol