{HEAD ~ Metal complexes} of zinc, copper, cobalt and nickel and N β hydroxyalkylated or γ aminoalkylated α aminocarboxylic acids which are substituted at the α carbon atom have excellent heat resistance, {TAIL ~ in particular a good heat resistance} under oxydative influences 
have
{ HEAD ~ Metal complexes } of zinc , copper , cobalt and nickel and N β hydroxyalkylated or γ aminoalkylated α aminocarboxylic acids which are substituted at the α carbon atom have excellent heat resistance , { TAIL ~ in particular a good heat resistance } under oxydative influences
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH