4,4'-Butylidenebis(6-tert-butyl-m-cresol) Back Catalog number: 71920 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72228 D-Pantothenic acid Price on request 60033 CCME F1 Retention Time Marker Price on request 690500 Bifenox, 100mg Price on request