High-purity quinoline derivative and method for manufacturing same
US10822307B2 · kind B2 · utility
9Cited by
98References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 3, 2019 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Sep 3, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/47
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a compound represented by formula (IV) or a salt thereof, wherein the content of the compound represented by formula (I) is 350 ppm by mass or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.