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4-Bromocinnamaldehyde (5)CAS RN:49678-04-8
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Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.Telephone:+86-571-86066502;18958062155
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Hangzhou Sage Chemical Co., Ltd.Telephone:+86-571-86818502
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Daming Changda Co.,Ltd.Telephone:+86-310-5102000
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Toronto Research Chemicals Inc.Telephone:+1 416 665-9696
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Porphyrin SystemsTelephone:49406466586;04904053278207