Aryl sulfonohydrazides
US10829446B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jun 9, 2016 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Jun 9, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compound of formula I: wherein: where RF1 is H or F; where X1 is either CRF2 or N, where RF2 is H or F; X2 is either CR3 or N, where R3 is selected from H, Me, Cl, F OMe; X3 is either CH or N; X4 is either CRF3 or N, where RF3 is H or F; where only one or two of X1, X2, X3 and X4 may be N; and
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.