Method 314.1 / Back Catalog number: 54205 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682197 4-Hydroxyphenyllactic acid, 100mg Price on request 677050 Tributyl O-acetylcitrate, 250mg Price on request 678498 Quinalphos, 100 µg/ml, Acetonitrile, 1ml Price on request