4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 98529 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14348000 Iomeprol, 100mg Price on request 12116.18-10MG Clindamycin hydrochloride,neat,neat,10mg, Price on request 72538 4-Heptanone Price on request