| 摘要 |
The present invention relates to a pneumatic tire having a component comprising at least one elastomer containing olefinic unsaturation; and compound of formula I wherein: R1, R3, R4, R5, R6, and R8 are each independently hydrogen, alkyl, aryl, halogen, or substituted or unsubstituted oxygen, nitrogen or sulfur atoms; R2 is hydrogen, alkyl, aryl, or is absent; R7 is substituted or unsubstituted oxygen, nitrogen, sulfur, or halogen; R9, R10, R11 and R12 are each independently hydrogen, alkyl, aryl, halogen, nitro or substituted or unsubstituted oxygen, nitrogen or sulfur atoms; and X is oxygen, sulfur, or nitrogen.
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