| (210) | Number of the EPO application | 17747004 |
| (220) | Filing date of the EPO application | 2017.02.04 |
| (80) | EPO patent specification publication (B) | EPB nr. 29/2020, 2020.07.15 |
| (110) | EPO patent number | 3412672 |
| (21) | Number of the application | e 2018 1192 |
| (71) | Name(s) of applicant(s), code of the country | Chia Tai Tianqing Pharmaceutical Group Co., Ltd., CN; |
| (72) | Name(s) of inventor(s), code of the country | DING Zhaozhong, CN;
SUN Fei, CN;
HU Yinghu, CN;
ZHOU Yilong, CN;
WANG Zheng, CN;
ZHAO Rui, CN;
YANG Ling, CN; |
| (73) | Name(s) of owner(s), code of the country | CHIA Tai Tianqing Pharmaceutical Group Co. Ltd., CN; |
| (54) | Title of the invention | CRYSTAL FORM A OF 2-BUTOXY-7-(4-(PYRROLIDIN-1-YLMETHYL) BENZYL)-5H-PYRROLO[3,2-D]PYRIMIDIN-4-AMINE AS TLR7 AGONIST, PREPARATION METHOD AND USE THEREOF |
| (13) | Kind-of-document code | A1 |
| (51) | International Patent Classification | C07D 487/04 (2006.01.01); A61K 31/519 (2006.01.01); A61P 31/12 (2006.01.01) |
| (19) | Country | CN |
| (41) | Date of publication of the application | 2019.01.31 |
| (30) | Priority | 201610082029, 2016.02.05, CN |
| (86) | International application | PCT/CN2017/072891, 2017.02.04 |
| (87) | International publication | WO 2017/133684, 2017.08.10 |