3-NITRO-9-FLUORONONE 3-Nitro-9-fluorenone 3-Nitrofluoren-9-one 3-Nitrofluorenone 4-07-00-01637 (Beilstein Handbook Reference) 42135-22-8 9H-Fluoren-9-one, 3-nitro- BRN 2583993 CCRIS 2910 EINECS 255-675-6 NSC 90801