1246891-68-8
2-pyridin-2-yl-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-carboxylic acid benzyl ester
→
~86%
1246891-69-9
2-吡啶-2-基-4,5,6,7-四氢噁唑并[4,5-c]吡啶