Endosulfan Sulfate, 1.2mL x 100ug/mL, nonane

Meloxicam, certified, 0.1g

9,9-Di-n-octylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123863-99-0

Metoprolol-d7 hydrochloride (isopropyl-d7), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-61-4