93765-23-2
2-(2-aminopyridin-3-yl)oxyacetonitrile
→
~70%
93765-24-3
2H-pyrido[3,2-b][1,4]oxazin-3-amine
16867-03-1
2-氨基-3-羟基吡啶
20348-09-8
2H-吡啶并[3,2-b][1,4]恶嗪-3(4H)-酮