2-氧代-2,3-二氢-1H-吡啶并[2,3-B][1,4]噻嗪-7-羧酸

2-OXO-2,3-DIHYDRO-1H-PYRIDO[2,3-B][1,4]THIAZINE-7-CARBOXYLIC ACID · CAS 443955-72-4