Methyl Paraben-13C6, 1mg

3,4-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 615-56-5

2,4-DB, 100 µg/ml, Acetonitrile, 1ml

1,4-Phenylendiamine, 100mg