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trans-chalcone (9)CAS RN:614-47-1
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Shanghai Domen International Co., LtdTelephone:+86-21-61066956/57/58，61043548
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Hangzhou Neway Chemicals Co., Ltd.Telephone:+86-571-85095566;18969113688
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ExtrasyntheseTelephone:+33-(0)478982034
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S. Nihar ExportsTelephone:(22) 208 5632/208 5530/201 2467/207 4594
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PENN BIO-ORGANICS, INC.Telephone:(518)-591-8328
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Chemin IndiaTelephone:91-02525-267505
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Katwijk Chemie B.V.Telephone:+31 71 40 56 789
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The Ocean Trading CorporationTelephone:+91(22) 24921669 / 1711 / 1664
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