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3,4,9,10-tetrahydro-phenanthrene-2-carboxylic acid ethyl ester 3,4,9,10-tetrahydrophenanthrene-2-carboxylic acid ethyl ester ethyl 3,4,9,10-tetrahydrophenanthrene-2-carboxylate ethyl 3,4,9,10-tetrahydrophenanthren-2-carboxylat éthyle3,4,9,10-tetrahydrophénanthrène-2-carboxylate エチル=3,4,9,10-テトラヒドロフェナントレン-2-カルボキシラー
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