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