2',3'-Difluoro-4'-methylacetophenone

2-(Trifluoromethoxy)phenylhydrazine hydrochloride

2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate

3'-Bromo-2,2,2-trifluoroacetophenone

2-Bromo-2,2-difluoroethanol

tert-Butyl 3,3-difluoro-4-hydroxypyrrolidine-1-carboxylate