the composite oxide does not contain cerium and does contain {HEAD ~ zirconium} and neodymium as {TAIL ~ essential components} and a rare earth metal R other than cerium and neodymium  
the composite oxide does not contain cerium and does contain { HEAD ~ zirconium } and neodymium as { TAIL ~ essential components } and a rare earth metal R other than cerium and neodymium
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH