Silver (Ag)

n-Dodecane, ?13C: -32.54, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 112-40-3

13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml

Phenazone-d3 (N-methyl-d3)