7-Ethyl trytophol
Zhejiang Dongdong Pharmaceutical Co., Ltd (Yanchenh Yuekai Pharmchem Co., Ltd)
Trityl chloride
Zhejiang Dongdong Pharmaceutical Co., Ltd (Yanchenh Yuekai Pharmchem Co., Ltd)
Zhejiang Dongdong Pharmaceutical Co., Ltd (Yanchenh Yuekai Pharmchem Co., Ltd)
Zhejiang Dongdong Pharmaceutical Co., Ltd (Yanchenh Yuekai Pharmchem Co., Ltd)