| 1 | Edaravone |
| 2 | Radicut |
| 3 | Phenyl methyl pyrazolone |
| 4 | 1-phenyl-3-methyl-5-oxo-2-pyrazoline |
| 5 | 2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one |
| 6 | Phenylmethylpyrazolone |
| 7 | Methylphenylpyrazolone |
| 8 | 3-methyl-1-phenylpyrazol-5-one |
| 9 | 3-methyl-1-phenyl-5-pyrazolone |
| 10 | 3-methyl-1-phenyl-2-pyrazolin-5-one |
| 11 | Norphenazone |
| 12 | C.i. developer 1 |
| 13 | Developer z |