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/ Enciclopedia de la Ciencia 2.0 / ZETACIE2.bin / CHEM / WHML / WHML4y2b.PNG

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Portable Network Graphic  |  1998-08-04  |  2KB  |  316x144  |  8-bit (39 colors)

Labels: clock | sculpture | sky | snack bar
OCR: Anhidride cis-butened ioic o Anhidrido

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