桂利嗪EP杂质A Cinnarizine EP Impurity A 841-77-0 C17H20N2
桂利嗪EP杂质B Cinnarizine EP Impurity B 750512-44-8 C26H28N2
桂利嗪EP杂质C Cinnarizine EP Impurity C 95062-18-3 C35H35F2N2.Cl
桂利嗪EP杂质D Cinnarizine EP Impurity D 1199751-98-8 C35H36N2
桂利嗪EP杂质E Cinnarizine EP Impurity E 216581-01-0 C30H30N2