Secnidazole hydrate, 10mg

2,2',4,4',5,6'-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Irbesartan, 100μg/ml in Acetonitrile, 5ml

Ethanol standard in water,1.3g/L,water, 1.5mL