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Keywords: Pentaphene 200.svg validSVG Structure of pentaphene Struktur von Pentaphen Own 2014-03-04 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/d/d9/Pentaphene_200 svg 1S/C22H14/c1-3-7-17-13-21-19 11-15 17 5-1 9-10-20-12-16-6-2-4-8-18 16 14-22 20 21/h1-14H JQQSUOJIMKJQHS-UHFFFAOYSA-N 222-93-5 PD-chem Polycyclic aromatic hydrocarbons |