File:1,7-Dimethylxanthin - 1,7-dimethylxanthine.svg
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![File:1,7-Dimethylxanthin - 1,7-dimethylxanthine.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0f/1%2C7-Dimethylxanthin_-_1%2C7-dimethylxanthine.svg/220px-1%2C7-Dimethylxanthin_-_1%2C7-dimethylxanthine.svg.png?20070220235250)
Size of this PNG preview of this SVG file: 220 × 156 pixels. Other resolutions: 320 × 227 pixels | 640 × 454 pixels | 1,024 × 726 pixels | 1,280 × 908 pixels | 2,560 × 1,815 pixels.
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