50.0 MB (407.8 KB compressed)
4827 x 3620 pixels
40.9 x 30.7 cm ⏐ 16.1 x 12.1 in (300dpi)
LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Tretinoin, molecular model. Acid form of vitamin A commonly used to treat acne and hair loss. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red).
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