PDE4 inhibitor
US9850235B2 · kind B2 · utility
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3References
13Claims
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Key dates
| Filing date | Jul 10, 2014 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2034 |
Classification
- Technology area (CPC —)General
Abstract
Provided is a compound represented by formula (1a) or a pharmacologically acceptable salt thereof, which can be used as a phosphodiesterase (PDE) inhibitor. R1 to R6 in the formula each independently represent an alkyl group or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.