Octachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

2,2',4,4'-Tetrabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 5436-43-1

13C2,15N2-Metronidazole, 10mg

1,2-Diethylbenzene