N-((2S,3R,4R,5S,6R)-2-(3,4-difluorophenoxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)-2-fluoroacetamide

3,4-二氟苯甲醛

3,4-二氟苯胺

1,2-二氟苯