4,4'-Dihydroxy-3,3',5,5'-tetraisopropylbiphenyl
https://www.sjzchem-pharm.com/shop/fm-3b-d5281-44-dihydroxy-33-55-tetraisopropylbiphenyl-69602
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4,4'-Dihydroxy-3,3',5,5'-tetraisopropylbiphenyl 1g : Phenolic stabilizer for resins and specialty polymers with high oxidative resistance.
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