method for preparation of a therapeutic preparation, thus obtained therapeutic object, and method for preparation of a suitable 11 - oxo - 11 - h - pyrido (2)1 - (b) - chinazolinecarbonzuur or a salt thereof.

摘要

This invention relates to the novel compound 11-oxo-11H-pyrido[2,1-b]quinazoline-2-carboxylic acid of the formula IMAGE and non-toxic, pharmacologically acceptable salts thereof, as well as to pharmaceutical composition containing these compounds as active ingredients, and methods of using them as antiallergics.