Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml

N-Methyl-N-nitrosobenzylamine,1000 µg/mL,acetonitrile,1mL,

5-Fluoroacenaphthylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17521-01-6

Dextromethorphan