{HEAD ~ The reaction temperature} usually ranges between 0° C. and {TAIL ~ 50° C.} and the reaction time usually ranges between 15 min and 24 h 
{ HEAD ~ The reaction temperature } usually ranges between 0 ° C. and { TAIL ~ 50 ° C. } and the reaction time usually ranges between 15 min and 24 h
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH