单词：quinhydrone
quinone with hydroquinone, or as an intermediate product in the
oxidation of hydroquinone or the reduction of quinone.
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Sitting well back in his chair, secure in his role of audience, Mr. Satterthwaite watched the drama unfold before his eyes Quietly and naturally, Mr. Quin was pulling the strings, setting his puppets in motion. A woman--yes, he murmured thoughtfully.
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