发明人杨光,冯建国,孙丽萍. "Method for the Synthesis of 2-(1,3-benzodioxol-5-yl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylic acid diethyl ester
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Fischer A B, Thompson G K, Hughes D C. "A Process for Preparing High-Purity 2-(1,3-benzodioxol-5-yl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylic acid diethyl ester
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diethyl 2-(1,3-benzodioxol-5-yl)-4-methyl-4-oxidanyl-6-oxidanylidene-cyclohexane-1,3-dicarboxylate" [P]. US Patent, US 10322955 B2, 2017-11-05.
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