![File:Piperazine structure.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Piperazine_structure.svg/401px-Piperazine_structure.svg.png)
Size of this PNG preview of this SVG file: 401 × 599 pixels. Other resolutions: 160 × 240 pixels | 321 × 480 pixels | 514 × 768 pixels | 685 × 1,024 pixels | 1,370 × 2,048 pixels | 467 × 698 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:51, 4 November 2021 | ![]() | 467 × 698 (2 KB) | Innerstream | Reverted to version as of 14:08, 9 October 2006 (UTC) small margins improve appearance for thumbnail uses |
17:49, 30 December 2006 | ![]() | 150 × 263 (3 KB) | Patricia.fidi | ||
17:48, 30 December 2006 | No thumbnail | (3 KB) | Patricia.fidi | ||
14:08, 9 October 2006 | ![]() | 467 × 698 (2 KB) | Luigi Chiesa | {{Information| |Description = {{Molecule| |Name=*{{en|Piperazine}} *{{it|Piperazina}} |Formula=C<sub>4</sub>H<sub>10</sub>N<sub>2</sub> |CAS=110-85-0 |SMILES=C1CNCCN1 }} |Source = Draw by [[User:Luigi Chiesa|Luigi Chie |
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