A process 1 wherein R1 is pyridin 2 ylmethyl or benzyl, where said {HEAD ~ benzyl} is optionally substituted with up to two fluoro, chloro or {TAIL ~ trifluoromethyl}; and R2 is 2,2,2 trifluoroethyl 
is optionally substituted with
A process 1 wherein R1 is pyridin 2 ylmethyl or benzyl , where said { HEAD ~ benzyl } is optionally substituted with up to two fluoro , chloro or { TAIL ~ trifluoromethyl } ; and R2 is 2,2,2 trifluoroethyl
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH