Nafronyl oxalate salt, 250mg Back Catalog number: 677840 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NK-IS-J5 Internal Standard Solution, 1.2ml, nonane Price on request 673538 4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Price on request 675745 Cyanofenphos, 10 µg/ml, Ethyl acetate, 10ml Price on request