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发明人唐晓军,杨光,郭海燕. "Method for the Synthesis of 1,4-Dihydro-3H-2-benzopyran-3-one
1H-2-Benzopyran-3(4H)-one
2-Hydroxymethylphenylacetic acid lactone
3,6-Dihydro-4,5-benzo-2-pyrone
3-Isochromanone
4385-35-7" [P]. 中国发明专利, 专利号 CN 112311767 A, 授权公告日 2016-11-11.
发明人高志强,黄志刚,孙丽萍. "A Process for Preparing High-Purity 1,4-Dihydro-3H-2-benzopyran-3-one
1H-2-Benzopyran-3(4H)-one
2-Hydroxymethylphenylacetic acid lactone
3,6-Dihydro-4,5-benzo-2-pyrone
3-Isochromanone
4385-35-7" [P]. 中国发明专利, 专利号 CN 108570584 B, 授权公告日 2019-09-11.
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