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4-Aminosalicylic acid (4)CAS RN:65-49-6
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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Jiangxi Yuyang Chemical Co., Ltd.Telephone:+86-792-6831839
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Hangzhou Zhongchang Scientific Co., Ltd.Telephone:+86-571-88932183
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Changzhou Xuanming Pharmaceutical Technology Co., Ltd.(Changzhou Xuanming chemical Co., Ltd.)Telephone:+86-519-85525329