67-51-6
3,5-二甲基吡唑
→
~45%
3112-31-0
3,5-吡唑二甲酸
952007-10-2
402-61-9
5-甲基-1H-吡唑-3-羧酸
1738-36-9
甲氧基乙腈
1729-67-5
2,3-二溴丙酸甲酯
+
6832-16-2
重氮乙酸甲酯
123-54-6
乙酰丙酮
37622-89-2
ethyl 5-acetyl 1H-pyrazol-3-carboxylate
1131-16-4
3,5-二甲基-1-苯基吡唑
93290-12-1
5-甲酰基吡唑-3-甲酸乙酯
949034-45-1
3-乙酰基-1H-吡唑-5-羧酸
7231-30-3
3-methyl-5-propyl-1(2)H-pyrazole
91783-88-9
1H-Pyrazole, 3-ethyl-5-methyl-
37687-24-4
3,5-吡唑羧酸二乙酯
116131-09-0
hydroxy-(5-hydroxymethyl-1(2)H-pyrazol-3-yl)-acetaldehyde hydrazone
14090-87-0
2,4-辛烷二酮