77936-73-3
diethyl 3-cyanopyrazolo[1,5-a]pyrimidine-6,7-dicarboxylate
+
150-76-5
4-甲氧基苯酚
→
~38%
80240-50-2
ethyl 3'-cyano-5-methoxy-2-oxospiro[1-benzofuran-3,7'-1H-pyrazolo[1,5-a]pyrimidine]-6'-carboxylate