{HEAD ~ The method} of step c)73, wherein the Z2 N R OH of step c) is selected from the group consisting of {TAIL ~ 2 ethanol} and 3 propanol 
{ HEAD ~ The method } of step c)73 , wherein the Z2 N R OH of step c ) is selected from the group consisting of { TAIL ~ 2 ethanol } and 3 propanol
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH