New compounds: N-hydroxy- and N-acetoxy-metabolites of N,N'-(2,7-fluorenylene)bisacetamide.

R&D Labs maybe for 6957-50-2

• AllyChem Co., Ltd., Dalian, China（BBChem）

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• Sinoway International (Jiangsu) Co., Ltd.

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• Guangzhou Chemical Reagent Factory

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• Shanghai Yuanding Chem. Sci. & Tech. Co., Ltd.

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• CHANGYI CITY FENGRUN FINE CHEMICAL CO.,LTD

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  Address:Changyi Coastal Economic Development Zone