FREDERICAMYCIN DERIVATIVE AS MEDICAMENT FOR TREATING TUMOR

摘要

PROBLEM TO BE SOLVED: To provide new fredericamycin derivatives, medicaments containing the derivatives or salts thereof, and use of the fredericamycin derivatives for treating diseases, especially tumor diseases. SOLUTION: The medicaments contain the new fredericamycin derivatives expressed by general formula (Ia) or the salts thereof. COPYRIGHT: (C)2011,JPO&INPIT