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L-Norvaline (25)CAS RN:6600-40-4
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Wuxi Jinghai Amino Acid Co., Ltd.Telephone:+ 86-510-88761785
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PUYER (NANTONG) BIOPHARMA CO.,LTDTelephone:+86-513-89157626
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AWELL INGREDIENTS CO.,LTD.Telephone:+86-551-63875110
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Shaanxi Cuikang Pharmaceutical Technology Co., Ltd.Telephone:18791163155；13119157289；18829768577
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Tanabe U.S.A., Inc.Telephone:800 -782-6223