Methylxanthines are chemical compounds which are derivatives of xanthine with one or more methyl groups, including:
One methyl group:
Two methyl groups:
- Theophylline (1,3-dimethylxanthine)
- Paraxanthine (1,7-dimethylxanthine)
- Theobromine (3,7-dimethylxanthine)
Three methyl groups:
- Caffeine (1,3,7-trimethylxanthine)
General references
- Fredholm, Bertil B. (22 September 2010). Methylxanthines. Springer Science & Business Media. ISBN 978-3-642-13443-2. Retrieved 16 February 2025.