Epinastine azole send impurity A brexpiprazole Impurity A epinastine azole send impurity B brexpiprazole Impurity B epinastine azole send impurity C brexpiprazole Impurity C epinastine azole send impurity D brexpiprazole Impurity D epinastine azole send impurity E brexpiprazole Impurity E epinastine azole send impurity F brexpiprazole Impurity F epinastine azole send impurity G brexpiprazole Impurity G epinastine azole send impurity H brexpiprazole Impurity H epinastine azole send impurity I brexpiprazole Impurity I Kang Lisheng Specializing in the latest international pharmaceutical substance and its impurities, and to provide medical technology development , agency research, custom synthesis and separation services and other high-tech enterprises, has a complete and scientific quality management system. The provided COA, H-NMR, MS, HPLC For more product information, please call Miss Zeng 15,989,551,854 or online advice QQ2786277377