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Legal status
Patent not validated
| (51) | INT.CL. | C07D 409/14 | |
| A61K 31/4436 | |||
| A61P 29/00 |
| (11) | Number of the document | 3354649 |
| (13) | Kind of document | T |
| (96) | European patent application number | 16854888.1 |
| Date of filing the European patent application | 2016-09-30 | |
| (97) | Date of publication of the European application | 2018-08-01 |
| (45) | Date of publication and mention of the grant of the patent | 2019-12-04 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2016/101064 |
| Date | 2016-09-30 |
| (87) | Number | WO 2017/063509 |
| Date | 2017-04-20 |
| (30) | Number | Date | Country code |
| 201510665328 | 2015-10-15 | CN | |
| 201511032876 | 2015-12-31 | CN |
| (72) |
LI, Xin, CN
FENG, Binqiang, CN
CHEN, Yang, CN
LIU, Tao, CN
HE, Feng, CN
HE, Mingxun, CN
TAO, Weikang, CN
SUN, Piaoyang, CN
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| (73) |
Jiangsu Hengrui Medicine Co., Ltd.,
No. 7 Kunlunshan Road Economic and Technological Development Zone Lianyungang, Jiangsu 222047,
CN
Shanghai Hengrui Pharmaceutical Co., Ltd., No.279 Wenjing Road Minhang District, Shanghai 200245, CN |
| (54) | OXA SPIRO DERIVATIVE, PREPARATION METHOD THEREFOR, AND APPLICATIONS THEREOF IN MEDICINES |
| OXA SPIRO DERIVATIVE, PREPARATION METHOD THEREFOR, AND APPLICATIONS THEREOF IN MEDICINES |