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3-hydroxy-4-methoxy-2,2(3H)-benzofurandicarboxylic acid, 2,2-diethyl ester
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5-methoxy-2-methyl-3-(trifluoromethyl)-2H-chromen-2-ol
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吡咯-3-甲醛
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2-吡咯甲醛
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4-正己氧基苯甲醛

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