4732-72-3
苯并二氢呋喃二酮
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21083-33-0
6-(oxomethylidene)cyclohexa-2,4-dien-1-one
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2370-96-9
5768-29-6
2-phenylbenzo-1,3-dioxan-4-one
100-52-7
苯甲醛