It is {HEAD ~ a further object} of {TAIL ~ this invention} to identify organic compounds which, in addition to the above constraints, are stable, can be separated from isopropanol by rectification with relatively few theoretical plates and can be recycled to the extractive distillation column and reused with little decomposition 
of
It is { HEAD ~ a further object } of { TAIL ~ this invention } to identify organic compounds which , in addition to the above constraints , are stable , can be separated from isopropanol by rectification with relatively few theoretical plates and can be recycled to the extractive distillation column and reused with little decomposition
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