Carbofuran-3-hydroxy, 100 µg/ml, Acetonitrile, 5

Methyl Paraben-13C6, 1mg

Acetonitrile-1,2-13C2,2000 µg/mL,MeOH,1mL,

4-tert-Octylphenol EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2315-67-5