3,3-二氟-4-(((三氟甲基)磺酰基)氧基)-3,6-二氢吡啶-1(2H)-羧酸叔丁酯

tert-butyl 3,3-difluoro-4-(trifluoromethylsulfonyloxy)-2,6-dihydropyridine-1-carboxylate ·