Derivatives of xanthine in which one or more hydrogen atoms have been substituted by methyl groups. The common ones are the trimethylxanthine caffeine and the dimethylxanthines theophylline and theobromine.

Methylxanthines
| Chemistry Dictionary: methylxanthines |
Derivatives of xanthine in which one or more hydrogen atoms have been substituted by methyl groups. The common ones are the trimethylxanthine caffeine and the dimethylxanthines theophylline and theobromine.

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