{TAIL ~ Reaction} can rapidly proceed in an organic solvent such as chloroform, methylene chloride, benzene, {HEAD ~ toluene}, etc 
{ TAIL ~ Reaction } can rapidly proceed in an organic solvent such as chloroform , methylene chloride , benzene , { HEAD ~ toluene } , etc
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH