4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 98529 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679828 D9-Trimethoprim, 10mg Price on request 683728 Acetaldehyd-DNPH, 100mg Price on request 675429 Molinate, 100mg Price on request