143-33-9
氰化钠
+
118055-00-8
(Pyrazolo[1,5-a]pyridin-3-yl)essigsaeuremethylester
→
~90%
118055-01-9
2-pyrazolo[1,5-a]pyridin-3-ylacetonitrile
117782-76-0
吡唑并[1,5-a]吡啶-3-基甲醇