The present invention discloses new and novel substituted anthracyclines with modified alkyl aromatic ring substitutions on {TAIL ~ the C} 3′ of the sugar moiety or modified or unmodified alkyl aromatic ring substitutions at the C 4′ of {HEAD ~ the sugar moiety} 
The present invention discloses new and novel substituted anthracyclines with modified alkyl aromatic ring substitutions on { TAIL ~ the C } 3′ of the sugar moiety or modified or unmodified alkyl aromatic ring substitutions at the C 4′ of { HEAD ~ the sugar moiety }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD