Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended F373550 Flazasulfuron, 50mg Price on request 678284 Kresoxim (free acid), 10mg Price on request T015500 Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg Price on request