| 摘要 |
<p>An antioxidant composition comprising at least one compound having formula (I), wherein R1 and R2 are each hydrocarbon groups having from 1 to 8 carbon atoms, a is from 1 to 3, R3 is a linear alkyl group having from 4 to 22 carbon atoms, and R4 is a linear alkyl group having from 6 to 24 carbon atoms.</p> |
