methyl 1-oxo-1,2,3,4-tetrahydro-2-phenanthrenesulfonate
1-oxo-3,4-dihydro-2H-phenanthrene-2-sulfonic acid methyl ester 1-keto-3,4-dihydro-2H-phenanthrene-2-sulfonic acid methyl ester methyl 1-oxo-3,4-dihydro-2H-phenanthrene-2-sulfonate
methyl 1-oxo-3,4-dihydro-2H-phenanthren-2-sulfonat méthyle1-oxo-3,4-dihydro-2H-phénanthrène-2-sulfonate メチル=1-オキソ-3,4-ジヒドロ-2H-フェナントレン-2-スルホナテ
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