153488-99-4 2H-1-Benzopyran-3-carboxylic acid, 3,4-dihydro-5,7-dimethoxy-4-oxo-3-phenyl-, 2-propen-1-yl ester

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153488-99-4 2H-1-Benzopyran-3-carboxylic acid, 3,4-dihydro-5,7-dimethoxy-4-oxo-3-phenyl-, 2-propen-1-yl ester - 化工 AI 网