非布索坦杂质24, Febuxostat Impurity 24

2-氨基-3-氰基-4-甲基吡啶, 2-Amino-4-methylnicotinonitrile

4-硝基异噁唑, 4-Nitroisoxazole

2-氮杂螺[3.3]庚烷半草酸盐, 2-Azaspiro[3.3]heptane oxalate(2:1)

(2-(4-溴苯基)-2-羟乙基)氨基甲酸叔丁酯, tert-Butyl (2-(4-bromophenyl)-2-hydroxyethyl)carbamate

3-氟-2-(甲氨基)苯甲酸, 3-Fluoro-2-(methylamino)benzoic acid

(5S)-5,6-二氢-2-(2,3,4,5,6-五氟苯基)-5-(苯基甲基)-8H-1,2,4-三唑并[3,4-c][1,4]噁嗪四氟硼酸盐, (5S)-5,6-Dihydro-2-(2,3,4,5,6-pentafluorophenyl)-

(2S)-1-[(1S)-1-[双(3,5-二甲基苯基)膦]乙基]-2-(二苯基膦)二茂铁, (2S)-1-[(1S)-1-[Bis(3,5-dimethylphenyl)phosphino]ethyl]-2-(d

6,7-二氢-2-苯基-5H-吡咯并[2,1-c]-1,2,4-三唑鎓四氟硼酸盐, 6,7-Dihydro-2-phenyl-5H-Pyrrolo[2,1-c]-1,2,4-triazolium tetr

4-(二氟甲氧基)苯腈, 4-(Difluoromethoxy)benzonitrile