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Ac-Trp-OH (5)CAS RN:1218-34-4
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Shanghai Brightol International Co.,LtdTelephone:+86-21-67866961
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Sichuan Tongsheng Amino acids Co.,Ltd.Telephone:+86-838-2850606, 2504166,2809458
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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PUYER (NANTONG) BIOPHARMA CO.,LTDTelephone:+86-513-89157626
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Great Dragon Biochemicals Co., Ltd.Telephone:852-2766 2230