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Changzhou Koye Chem is special in the water treatment chemicals with the capacity is 20000mt per year; advanced intermediates,provided many new intermediates which only we can make, and steroids series which some products have GMP certificate.
5,8-Dioxa-10-azadispiro[2.0.4.3]undecane
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更新时间：2020/10/29
5,8-二氧杂-10-氮杂二螺[2.0.4.3]十一烷
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