11-Oxo-11H-pyrido(2,1-b)quinazoline-2-carboxylic acid 11-Oxo-11H-pyrido(2,1-b)quinazolone-2-carboxylic acid 11H-Pyrido(2,1-b)quinazolone-2-carboxylic acid, 11-oxo- 64019-03-0 BRN 0750153 Docualast [Spanish] Doqualast Doqualast [INN] Doqualastum [Latin] SM 857 SM 857 SE SM 857SE