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Alpha-Bromo-Gamma-butyrolactone (4)CAS RN:5061-21-2
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Genchem & Genpharm (Changzhou) CO., Ltd.Telephone:+86-519-85720236;18861157609
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Yangzhou Princechem Co., Ltd.(former Gaoyou Organic Chemical Factory)Telephone:+86-514-84248359;13328140016
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Nanjing Winsome Chemical Limited(NAST Fine Chemicals Inc.)Telephone:+86-25-84651981
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Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.Telephone:+86-571-86066502;18958062155