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

2,3,7,8-Tetrachlorodibenzo-p-dioxin, 1mg

4-Chlorobenzotrichloride, 1000mg

Metoprolol (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 51384-51-1