2,3,6,7-Tetrachloro[13C12]biphenylene, 1.2ml x 50ug/ml, nonane

Metronidazole, 250mg

2,3,3',4,5,6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41411-62-5

2-Chloropyridine