File:Pregnenolon.png
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![File:Pregnenolon.png](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Pregnenolon.png/800px-Pregnenolon.png?20080306194212)
Size of this preview: 800 × 503 pixels. Other resolutions: 320 × 201 pixels | 640 × 403 pixels | 1,024 × 644 pixels | 1,394 × 877 pixels.
Original file (1,394 × 877 pixels, file size: 17 KB, MIME type: image/png)