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