173599-97-8
→
~95%
127472-41-7
1-Ethyl-1H-indazole-3-carboxylic acid
75-03-6
碘乙烷
+
4498-68-4
吲唑-3-羧酸乙脂
43120-28-1
1H-吲唑-3-羧酸甲酯