Terbuthylazine, 100µg/ml in Acetonitrile, 1ml

Omeprazole-d3 (benzimidazole-4,6,7-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Erythromycin-13C,d3, 1mg

Phenol-d6