| 摘要 |
<p>28,423 TITLE: 1-SUBSTITUTED-6-n-PROPYL-8-METHYLIMIDAZO ¢1,5-d!-as-TRIAZIN-4(3H)-ONES This disclosure describes new compounds and compositions of matter useful as anti-asthmatic agents and the method of meliorating asthma in mammals therewith, the novel active ingredients of said compositions of matter being certain 1-substituted-6-n-propyl-8-methylimidazo ¢1,5-d!-as-triazin-4(3H)-ones and/or the pharmacologically acceptable acid-addition salts thereof.</p> |
