{HEAD ~ Reaction temperature} is usually 0° to {TAIL ~ 100° C.}, preferably 20° to 80° C 
{ HEAD ~ Reaction temperature } is usually 0 ° to { TAIL ~ 100 ° C. } , preferably 20 ° to 80 ° C
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH