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