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Chemical structure formula written on blackboard with chalk.

Stock Photo:
Image ID: 120429889
Release Information: N/A
Copyright:
Small
500x333 6.9"x4.6" (72dpi) 207 KB
Med
1000x665 3.3"x2.2" (300dpi) 851 KB
Large
4857x3230 16.2"x10.8" (300dpi) 11.2 MB
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