Perfluoro-n-[1,2-13C2]octanoic acid, 50µg/ml in MeOH, 1,2ml

EPA Method 537 Surrogate Primary Dilution Standard, in MeOH, 1,2ml

Rifampicin, 100mg

1-(3,4-Dichlorophenyl)-3-methylurea, 10.0 µg/ml,