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