Improved Syntheses of (+/-)-trans-9,10-Dihydroxy-9,10-dihydrobenzopyrene and of (+/-)-trans-1,2-Dihydroxy-1,2-dihydrodibenzanthracene

R&D Labs maybe for 153-36-6

• Hangzhou jls Flame Retardants Chemical Co.,Ltd

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• CHINA MEHECO CORPORATION

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• Jiangsu Willing Bio-Tech Co ltd

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• ZHEJIANG NHU COMPANY LTD.

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• Hangzhou Haiqiang Chemical Co.,Ltd.

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