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Hexamethonium bromide (5)CAS RN:55-97-0
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Yancheng FineChem Co.,Ltd. (Hangzhou Yanshan chemical co., Ltd.)Telephone:086-571-87698076
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R.S.A. Corp.Telephone:+1-203-7908100
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R.S.A CorpTelephone:+1-203-790-8100