摘要 |
6-Substituted-4-hydroxycinnolin-3-yl carboxylic acids and esters thereof, processes for their preparation, and pharmaceutical compositions comprising any one of these compounds. A representative compound is ethyl 6-glycylamino-4-hydroxycinnolin-3-yl carboxylate hydrochloride. The compounds are active as inhibitors of effects following the combination of reagin-like antibodies and their antigens. |