CLR04: Clarithromycin EP Impurity D

Clarithromycin Impurity D (USP) ;

N-Desmethyl Clarithromycin ; 

3″-N-Demethyl-6-O-methylerythromycin A ;

CAS # 101666-68-6 ;

C37H67NO13 ;

MW: 733.93 ;