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L-5-Hydroxytryptophan
4350-09-8
CP Biochem Co.,Ltd.
Chuzhou Baiao Biologhy S&T Co., Ltd.
Shaanxi Jiahe Phytochem Co., Ltd
Xi'an TaiCheng Chem Co., Ltd.
Cactus Botanics (Shanghai) Co., Ltd
XI’AN XUHUANG BIO-TECH CO., LTD.
Zhejiang Cathaya Light Products And Textiles Imp. & Exp. Co., Ltd
Shanxi Riotto Botancal Co.ltd
Y&L Biotech Co., Ltd
Norchim S.A.S.