Saccharin-13C6, 0,5mg

5-Nitroacenaphthene, 100µg/mL, Solvent-toluene, Unit 1ml, # of units-1, Cas.no. 602-87-9

Perfluoro-n-[1,2-13C2]hexanoic acid, 1.2ml x 50ug/ml, methanol

Propionic acid-ethyl ester, 250mg