(2012/04/04)
(S)-3-(2,5-difluoro-4-(methylsulfonyl)phenoxy)-[1,4'-bipiperidin]-2-one
(S)-tert-butyl 3-(2,5-difluoro-4-(methylsulfonyl)phenoxy)-2-oxo-1,4'-bipiperidin-1'-carboxylate
(R)-tert-butyl 3-(methylsulfonyloxy)-2-oxo-1,4'-bipiperidin-1'-carboxylate
(R)-tert-butyl 3-hydroxy-2-oxo-[1,4'-bipiperidin]-1'-carboxylate
difluoroacetyl chloride