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3-Phenyl-L-alanine Benzyl Ester 4-toluenesulphonate
1738-78-9
Kingos Chemical
Yangzhou Baosheng Biochemical Co.,Ltd
Shamrock (SMK) Bio-chemical Technology Co., Ltd.
Sichuan Sangao Biochemical Co., Ltd
Great Dragon Biochemicals Co., Ltd
Taizhou Huading Chemical Co.,Ltd
Sichuan Zhongsen Bio-chemical Technology Co., Ltd.