Ferulic Acid, 250mg

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

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

4,4’-Methylenedianiline