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