881668-83-3
4-methyl-5-trimethylsilylpyrazole-3-carboxylic acid ethyl ester
→
~99%
82231-51-4
4-甲基吡唑-3-甲酸
6076-12-6
4-甲基吡唑-3-甲酸乙酯
~90%
68809-57-4
1-(4-methyl-1(2)H-pyrazol-3-yl)-ethanone
94447-41-3