| tert-butyl 6-fluoro-3,3-dimethyl-2-oxoindoline-1-carboxylate | 1800261-10-2 | Ax-12771 |
| 6-fluoro-3,3-dimethylindolin-2-one | 866211-45-2 | Ax-12770 |
| 5-bromo-6-fluoro-3,3-dimethylindolin-2-one | 1017860-04-6 | Ax-12769 |
| 6-fluoro-3,3-dimethyl-2-oxoindoline-5-carbonitrile | 1800261-11-3 | Ax-12768 |
| 2-hydroxy-1H-imidazo[4,5-b]pyridine-6-carbonitrile | 1388057-18-8 | Ax-12767 |
| 6-chloro[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one | 33050-32-7 | Ax-12766 |
| N-(4-nitrophenethyl)-2-phenylethan-1-amine | 1581285-28-0 | Ax-12765 |
| Phenylamine amino thiozol impurity | 1581284-82-3 | Ax-12764 |
| (E)-2-hydroxy-5-((4-sulfamoylphenyl)diazenyl)benzoic acid | 1912438-04-0 | Ax-12763 |
| Methylsulfasalazine | 42753-53-7 | Ax-12762 |