Coumarines useful as biomarkers
US7569337B2 · kind B2 · utility
26Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2003 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Dec 4, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides compounds of formula (I), wherein R, R1, R2, R3 and R4 are as defined in the description, and their preparation. The compounds of formula I are useful as biomarkers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.