{TAIL ~ The method} 1, wherein the stereochemistry of the compound about {HEAD ~ the double bond} is Z 
{ TAIL ~ The method } 1 , wherein the stereochemistry of the compound about { HEAD ~ the double bond } is Z
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH