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Legal status
Patent not validated
| (51) | INT.CL. | C07D 471/08 | (2006.01) |
| C07D 471/08 | (2013.01) | ||
| C07D 211/60 | (2006.01) | ||
| C07D 211/60 | (2013.01) | ||
| C07B 57/00 | (2013.01) |
| (11) | Number of the document | 3543236 |
| (13) | Kind of document | T |
| (96) | European patent application number | 18867299.2 |
| Date of filing the European patent application | 2018-03-06 | |
| (97) | Date of publication of the European application | 2019-09-25 |
| (45) | Date of publication and mention of the grant of the patent | 2022-02-16 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2018/078070 |
| Date | 2018-03-06 |
| (87) | Number | WO 2019/075984 |
| Date | 2019-04-25 |
| (30) | Number | Date | Country code |
| 201710968060 | 2017-10-18 | CN |
| (72) |
QI, Yuxin , CN
LI, Xinfa , CN
WANG, Baolin , CN
QU, Hu , CN
XU, Xin , CN
JU, Lizhu , CN
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| (73) |
Xinfa Pharmaceutical Co., Ltd ,
Huangdian Village
Kenli Town
Kenli County, Dongying, Shandong 257500,
CN
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| (54) | METHOD FOR PREPARING AVIBACTAM INTERMEDIATE |
| METHOD FOR PREPARING AVIBACTAM INTERMEDIATE |