Crystal forms of 5-[3-(2,5-dichloro-4, 6-dimethyl-1-oxy-pyridine-3-yl)[1,2,4] oxadiazol-5-yl]-3-nitrobenzene-1,2-diol
US8975410B2 · kind B2 · utility
10Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2009 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | May 8, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to novel polymorphs of (HO)2NO2(C6H)—(C2N2O)—(C5N)(CH3)2Cl2O, to processes for their preparation, and to pharmaceutical compositions containing said novel polymorphs as active pharmaceutical ingredient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.