Quinazoline-substituted pyridazinone derivatives having cardiotonic activity
US5063227A · kind A · utility
1Cited by
9References
3Claims
0Family size
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Key dates
| Filing date | Jan 11, 1990 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Jan 11, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein R.sub.3 is H or alkyl, Q.sub.1 and Q.sub.2 are independently hydrogen, alkyl, hydroxyl, alkoxyl, amino, mono or di alkylamino, nitro or halo or pharmaceutically acceptable salts are useful as cardiotonics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.