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