R is phenyl, W substituted phenyl, naphthyl, W substituted naphthyl, benzodioxolyl, heteroaryl, W substituted heteroaryl, benzofused heteroaryl and W substituted benzofused heteroaryl, wherein {HEAD ~ heteroaryl} is selected from {TAIL ~ 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 
R is phenyl , W substituted phenyl , naphthyl , W substituted naphthyl , benzodioxolyl , heteroaryl , W substituted heteroaryl , benzofused heteroaryl and W substituted benzofused heteroaryl , wherein { HEAD ~ heteroaryl } is selected from { TAIL ~ 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
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 HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH