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Online structure lookup in ReShiki
PubChem lookup returned caffeine, CID 2519, for the name caffeine.

- What we checked
- Structures can be fetched from PubChem or a similar database.
- Result
- Yes, tested by running it: Look up online… returned caffeine, PubChem CID 2519, after the query was confirmed. Yes, tested by running it. Look up online… returned caffeine, PubChem CID 2519, after the query was confirmed.
- Version we tested
- 0.14.0, on macOS 27.0.1 arm64
- Manual
- github.com