Dye-sensitized photooxidation of vitamin E revisited. New 7-oxaspiro[4.5]dec-1-ene-3,6-dione products by oxygenation and ring contraction of α-tocopherol

R&D Labs maybe for 135773-60-3

• Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)

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• Chemsigma International Co.,Ltd.

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• Xiamen Goodhealth Pharmchem Co., Ltd.

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• Chengdu Green technology Co.,Ltd.

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  Address:C9 ,Economic Headquarters, Economic Development Zone, Chengdu.

• SINFACHEM LIMITED

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