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Commitments and contingencies | 12 Months Ended
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Dec. 31, 2022
Commitments and contingencies. |
Commitments and contingencies |
27. | Commitments and contingencies
Purchase commitments As of December 31, 2022, the Group has future minimum purchase commitment related to the purchase of research and development services. Total purchase obligations contracted but not yet reflected in the consolidated financial statements as of December 31, 2022 were as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Less than | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Over 5
​ |  | Total |  | one year |  | 1-2 Years |  | 2-3 Years |  | 3-5 Years |  | Years
Purchase commitments |  | 93,818 | ​ | 73,817 | ​ | 6,667 | ​ | 6,667 | ​ | 6,667 |  | —
​ Capital commitments Total capital expenditures contracted but not yet reflected in the consolidated financial statements as of December 31, 2022 were as follows:
​ | ​ | ​ | ​ | ​
​ |  | Total |  | Less than one year
Capital commitments |  | 1,806 |  | 1,806
​

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