N,N-diethyl-2,3,5,6-tetrafluoropyridin-4-amine

3,4,5-三氟吡啶

2,3,5,6-tetrafluoropyridine-4-carbaldehyde

2,3,5,6-四氟异烟酸

2,3,5,6-tetrafluoro-4-(trifluoromethyl)pyridine