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D-Tryptophan
153-94-6
Hangzhou Chungyo Chemicals Co., Ltd.
Wuxi Shengbaoluo Bio-Tech Co., Ltd.
Shanghai Jinghui Industrial Co.ltd
D-tryptophan
Sichuan Jiayinglai Technology Co,Ltd (Enlai Biotech)
Shanghai Lonwin Chemical Co.,Ltd
Wuhan Microsen Technology Co.,Ltd.
Evonik Degussa Specialty Chemicals(Shanghai) Co.,Ltd
Shaanxi TNJONE Pharmaceutical Co., Ltd
Shandong Ranhang Biotechnology Co., Ltd.
ANHUI PUHE INTERNATIONAL CO., LTD.
Trimethoxymethane
N,N-Diethylaniline
Bromoform
Phosphorus Oxychloride
Phosphorus Pentachloride
Phthalimide
1,3-Dichloropropane
P-Anisidine
Hydroquinone
1,4-DIAMINOBUTANE
Phenylhydrazine
Pyrrolidine