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Legal status
Patent not validated
| (51) | INT.CL. | C07D 493/04 | (2006.01) |
| A61P 35/00 | (2018.01) | ||
| C07D 309/10 | (2006.01) | ||
| C07D 493/04 | (2013.01) | ||
| A61K 31/335 | (2006.01) | ||
| C07D 493/22 | (2013.01) | ||
| A61P 35/00 | (2006.01) | ||
| C07D 309/10 | (2013.01) | ||
| A61K 31/335 | (2013.01) | ||
| C07F 7/18 | (2013.01) | ||
| Y02P 20/55 | (2015.11) |
| (11) | Number of the document | 3608323 |
| (13) | Kind of document | T |
| (96) | European patent application number | 19761378.9 |
| Date of filing the European patent application | 2019-03-01 | |
| (97) | Date of publication of the European application | 2020-02-12 |
| (45) | Date of publication and mention of the grant of the patent | 2021-11-03 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2019/076757 |
| Date | 2019-03-01 |
| (87) | Number | WO 2019/166019 |
| Date | 2019-09-06 |
| (30) | Number | Date | Country code |
| 201810176172 | 2018-03-02 | CN |
| (72) |
XU, Weiping , CN
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| (73) |
Beijing Tienyi Lufu Pharmatech Co. Ltd. ,
Room 431, Floor 4, Building 2
No. 18 Long Qin Street
Beijing Economic and
Technological Development Zone, Beijing 100176,
CN
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| (54) | PYRAN FUSED RING COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF |
| PYRAN FUSED RING COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF |