| 摘要 |
An optical part comprising a thermoplastic resin having a recurring unit represented by the following formula (1): wherein R represents a hydrogen atom, an alkyl group, or an aryl group; G represents a divalent linking group; A represents an oxygen atom, a sulfur atom, or —N(R1)—; R1 represents a hydrogen atom, an alkyl group, or an aryl group; Q represents an atomic group of forming a hetero ring; and l indicates 0 or 1.
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