The activating reagents include {TAIL ~ potassium alkoxides}, and chelating {HEAD ~ tertiary diamines} 
The activating reagents include { TAIL ~ potassium alkoxides } , and chelating { HEAD ~ tertiary diamines }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD