{HEAD ~ Synthesis} of 3 {TAIL ~ 1 5 iodo} 3 methyl 1 H imidazoimidazol 2 one 
of
{ HEAD ~ Synthesis } of 3 { TAIL ~ 1 5 iodo } 3 methyl 1 H imidazoimidazol 2 one
HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH