55899-22-4
4-hydroxy-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester
→
141032-72-6
Pyrazolo[1,5-a]pyridin-4-ol
76509-17-6
3-phenylmethoxypyridine
109-00-2
3-羟基吡啶
909717-95-9
Pyrazolo[1,5-a]pyridine-3-carboxylic acid, 4-methoxy-, ethyl ester