54107-17-4
3-(2-phenylhydrazonoethyl)-4-hydroxy-6-methylpyrone-2-one
→
87100-95-6
2-chloro-1-(5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)butane-1,3-dione
87100-61-6
1-(5-羟基-3-甲基-1-苯基-1H-吡唑-4-基)-1,3-丁二酮