3-Nitro-9H-fluorene ,its CAS NO. is 5397-37-5, the synonyms are 3-05-00-01949 (Beilstein Handbook Reference) ; 3-Nitrofluorene ; BRN 2213592 ; CCRIS 8628 ; NSC 3016 ; 9H-Fluorene, 3-nitro- (9CI) ; Fluorene, 3-nitro- .