It will likely have {HEAD ~ a vapor pressure} of greater than about 10 mm at {TAIL ~ a temperature} of about 400° C 
It will likely have { HEAD ~ a vapor pressure } of greater than about 10 mm at { TAIL ~ a temperature } of about 400 ° C
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH