(-)-ethyl 2-[[[(R)-1-hydroxyprop-2-yl]amino]methylene]-3-oxo-3-(2,3,4,5-tetrafluorophenyl)propionate

ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate

(+)-ethyl 1,4-dihydro-1-[1(R)-(hydroxymethyl)ethyl]-4-oxo-6,7,8-trifluoroquinoline-3-carboxylate

6-氨基-2,3-二氟苯酚

diethyl N-(3,4-difluoro-2-hydroxyphenyl)aminomethylenemalonate