{TAIL ~ The mole ratio} of compound to compound may be in the range of 1:1 1:5, but preferably in the range of 1:1 1:1.5 with {HEAD ~ a view} to maximizing the economy of the overall process 
{ TAIL ~ The mole ratio } of compound to compound may be in the range of 1:1 1:5 , but preferably in the range of 1:1 1:1.5 with { HEAD ~ a view } to maximizing the economy of the overall process
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH