Methyl 8-hydroxy-3-(2-methoxy-2-oxoethyl)-6-methyl-9-oxo-9H-furo[3,4-b]chromene-1-carboxylate的外观
提问时间:2021/3/4 10:27:29
Methyl 8-hydroxy-3-(2-methoxy-2-oxoethyl)-6-methyl-9-oxo-9H-furo[3,4-b]chromene-1-carboxylate是固体还是液体?
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2021/3/4 10:27:29
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