The reaction of {HEAD ~ a compound} of {TAIL ~ formula IV} with a compound of formula V in accordance with process variant can be carried out in a manner known per se 
of
The reaction of { HEAD ~ a compound } of { TAIL ~ formula IV } with a compound of formula V in accordance with process variant can be carried out in a manner known per se
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH