CLR08: Clarithromycin EP Impurity H

Clarithromycin Impurity H (USP) ; 

N-Demethyl-N-formyl Clarithromycin ; 

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

CAS # 127140-69-6 ;

C38H67NO14 ;

MW: 761.94 ;