[13C3],[13N3]-Cyanuric Acid, 1.2ml x 100ug/ml, water

Tildipirosin, 10mg

Methyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347841-45-6

EPA Method 8240A/1666 - Purgeable Internal Std