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Pyrithyldione [ˌpirəθil'daiəun] n
gen. 吡啶乙二酮
pyrithyldione [ˌpirəθil'daiəun] n
pharm. 吡乙二酮; 吡啶乙二酮; 二乙吡啶二酮; 双乙酮 (镇静催眠药)