3-hydroxy-2-methyl-4H-pyran-4-one 200

3-hydroxy-2-methyl-4H-pyran-4-one 200 кліпарт

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Автор: Emeldir (talk)Джерело: commons.wikimedia.org

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self-published work svg chemistry symbols:path text pd chem valid svg created with n2s verified chemical structure diagrams maltol

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