Substituted pyrazolo[3,4-a]carbazoles as hepatitis C inhibitors
US9340548B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Aug 22, 2012 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Jan 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of Formula (I)and pharmaceutically acceptable salts thereof, wherein R1, R2, R3 and R4 are defined herein, and their use for the treatment of hepatitis C viral infection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.