13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Back Catalog number: EC-4060 Availability: In the manufacturer's stock Price on request - + Recommended 674756 Isofenphos-oxon, 10mg Price on request 676236 Boscalid (Nicobifen), 100 µg/ml, Acetonitrile, 1 Price on request 679283 Metoprolol acid, 25mg Price on request