Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

3-Nitrofluoranthene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 350820-11-0

2-Methylhippuric acid, 100mg

Tetrachloroethene, 100 µg/ml, Methanol, 5ml