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834906-57-9 9h-fluorene,9-(2,4,6-cycloheptatrien-1-ylidene)-2,7-bis(1-naphthalenylethynyl)-

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Product Name 9H-Fluorene,9-(2,4,6-cycloheptatrien-1-ylidene)-2,7-bis(1-naphthalenylethynyl)-
CAS No. 834906-57-9
Molecular Formula C44H26