Quercetin 3-Sulfate Potassium Salt (>90%), 2mg

4-Ethylphenol-d4-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 100-58-8

2,2',3,4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml