2-氧代-2,3-二氢-1H-吡咯并[2,3-B]吡啶-5-甲酸乙酯

2,3-DIHYDRO-2-OXO-1H-PYRROLO[2,3-B]PYRIDINE-5-CARBOXYLIC ACID ETHYLESTER · CAS 223646-21-7