62055-46-3
3-ethoxy-2-methylprop-2-enal
+
76143-53-8
3-Methyl-4-nitro-1H-pyrazol-5-amine
→
~88%
83724-91-8
2,6-dimethyl-3-nitropyrazolo[1,5-a]pyrimidine
274-71-5
吡唑并[2,3-a]嘧啶