1260243-04-6
5-氨基-1H-吡唑-4羧酸乙酯
+
115955-48-1
3-(Dimethylamino)-1-(3-nitrophenyl)prop-2-en-1-one
→
~74%
765292-65-7
7-(3-nitro-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester