This invention relates to a Group 8 metal containing catalyst compound for {TAIL ~ the metathesis} of {HEAD ~ olefins} 
This invention relates to a Group 8 metal containing catalyst compound for { TAIL ~ the metathesis } of { HEAD ~ olefins }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD