File:6,7-Dihydroxynaphthalene-2-sulfonic acid.svg
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Size of this PNG preview of this SVG file: 176 × 66 pixels. Other resolutions: 320 × 120 pixels | 640 × 240 pixels | 1,024 × 384 pixels | 1,280 × 480 pixels | 2,560 × 960 pixels.
Original file (SVG file, nominally 176 × 66 pixels, file size: 21 KB)