D3-Ronidazole, 10mg

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

Ethanol standard in serum,3.0g/L,serum, 3mL

Methabenzthiazuron, 100μg/mL in Acetonitrile, 1ml