{HEAD ~ 3 Methyl 2 butanol} can be readily separated from {TAIL ~ 1 butanol} by azeotropic distillation 
readily separated from
{ HEAD ~ 3 Methyl 2 butanol } can be readily separated from { TAIL ~ 1 butanol } by azeotropic distillation
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH