It also discloses {HEAD ~ novel methods} for the preparation of sugar substrates and methods for {TAIL ~ the preparation} of anthracycline antibiotics 
It also discloses { HEAD ~ novel methods } for the preparation of sugar substrates and methods for { TAIL ~ the preparation } of anthracycline antibiotics
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH