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Diethyl sulfate (5)CAS RN:64-67-5
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Depew Fine Chemical Co.,Ltd.Telephone:86-571-87630650
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Shenzhen Huasu Chemical Industry Co.Ltd.Telephone:+86-755-86250096;13828798879
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Anhui Xingyu Chemical Co,.Ltd.（Changzhou Jinweida Chemical Co,.Ltd.）Telephone:+86-555-2568883;+86-519-83293217;013801504285
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Nantong Chem-Tech. Co.,LtdTelephone:+86-513-85081108;80201830
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Brown Chemical Co, IncTelephone:+1-201-3370900