摘要 |
Disclosed herein are compounds of the structure: wherein R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3</SUB>, R<SUB>4</SUB>, R<SUB>5</SUB>, and R<SUB>6 </SUB>are independently selected alkyl groups, provided that R<SUB>1 </SUB>is different from R<SUB>2</SUB>. The compounds are useful as stabilizers for thermoplastic resins.
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