3-methyl-6-propylpyrazolo[1,5-a]pyridine-4,7-dione

ethyl 3-methoxy-1-methylpyrazole-4-carboxylate

4-羟基-3-甲氧基苯乙酸甲酯

trimethyl-(4-trimethylsilyl-1H-pyrazol-5-yl)silane

2-溴-1-环庚基乙酮