1,2,3-Trichloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-13S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 96573 Betamethasone Price on request 21013 EPA Method 8260 Internal Standard - Revised Price on request 673083 Potassium sorbate, 250mg Price on request