{HEAD ~ R} is phenyl, W substituted phenyl, naphthyl, W substituted naphthyl, {TAIL ~ benzodioxolyl}, heteroaryl, W substituted heteroaryl, benzofused heteroaryl and W substituted benzofused heteroaryl, wherein heteroaryl is selected from the group consisting of pyrrolyl, pyridinyl, pyrimidinyl, pyrazinyl, triazinyl, imidazolyl, thiazolyl, pyrazolyl, thienyl, oxazolyl and furanyl, and for nitrogen containing heteroaryls, the N oxides thereof 
is
{ HEAD ~ R } is phenyl , W substituted phenyl , naphthyl , W substituted naphthyl , { TAIL ~ benzodioxolyl } , heteroaryl , W substituted heteroaryl , benzofused heteroaryl and W substituted benzofused heteroaryl , wherein heteroaryl is selected from the group consisting of pyrrolyl , pyridinyl , pyrimidinyl , pyrazinyl , triazinyl , imidazolyl , thiazolyl , pyrazolyl , thienyl , oxazolyl and furanyl , and for nitrogen containing heteroaryls , the N oxides thereof
HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH