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139542-67-9 9h-fluorene-4-carboxylic acid, 9-(dicyanomethylene)-2,7-dinitro-

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Product Name 9H-Fluorene-4-carboxylic acid, 9-(dicyanomethylene)-2,7-dinitro-
CAS No. 139542-67-9
Molecular Formula C17H6N4O6