# Chemistry annotation

## Chemistry Annotation Coverage

Chemistry annotation is performed for US, EP, WO, CN and JP documents, up to a certain extent depending on the available data.

|                    | US  | EP  | WO  | CN  | JP                              |
| ------------------ | --- | --- | --- | --- | ------------------------------- |
| Text annotation    | Yes | Yes | Yes | Yes | Yes (from titles and abstracts) |
| Image to structure | Yes | Yes | Yes | No  | No                              |
| Mol files          | Yes | No  | No  | No  | No                              |

## Chemistry Annotation Pipeline

The process is fully automatic. Over the year, we have used different tools for compound annotation from text, and image to structure. Since 2025, we have started using [LeadMine](https://www.nextmovesoftware.com/leadmine.html), and {to-be-announced}, respectively.

<figure><img src="/files/QAJUYYXntfeMwBlxX9tN" alt=""><figcaption></figcaption></figure>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://chembl.gitbook.io/surechembl/patent-annotation/chemistry-annotation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.