2-氯-5-氧代-5H-苯并[4,5]噻唑并[3,2-a][1,8]萘吡啶-6-甲酸乙酯

5H-?Benzothiazolo[3,?2-?a]?[1,?8]?naphthyridine-?6-?carboxylic acid, 2-?chloro-?5-?oxo-?, ethyl ester · CAS 881633-93-8