de penten (n)
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Weight: 1.0
de ungesättigt Source: German Wiktionary
de penten (n)
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Weight: 1.0
de alken Source: German Wiktionary
de penten (n)
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Weight: 1.0
de chemie Source: German Wiktionary
de penten (n)
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Weight: 1.0
de isomer Source: German Wiktionary