In order to illustrate the use according to the invention, {HEAD ~ various examples} for preparing {TAIL ~ preferred drugs} are given below 
for preparing
In order to illustrate the use according to the invention , { HEAD ~ various examples } for preparing { TAIL ~ preferred drugs } are given below
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH