4,4'-Diamino-3,3'-dimethyldiphenylmethane
https://www.sjzchem-pharm.com/shop/fm-in-da003ken-44-diamino-33-dimethyldiphenylmethane-82704
https://www.sjzchem-pharm.com/web/image/product.template/82704/image_1920?unique=ef1e0df
Dimethyl-Diaminodiphenylmethane, monomer for epoxy resins, polymer synthesis, and lab research.
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