2,7-DINITROFLUORENE 4-05-00-02153 (Beilstein Handbook Reference) 5405-53-8 9H-Fluorene, 2,7-dinitro- (9CI) BRN 2057852 CCRIS 2909 EINECS 226-457-8 Fluorene, 2,7-dinitro- NSC 5180