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Hexabenzocoronene. en Hexaperihexabenzocoronene Graphitic Nanotube Original upload date August own User Vrik Vrik en PDchem HexabenzocoroneneRXN svg Original upload log en FtCG page en Hexabenzocoronene Date Dimensions User Comment August bytes Vrik en no Hexabenzocoronene August bytes Vrik en no Hexabenzocoronene