1(2H)-Acenaphthylenone, 5-nitro- (9CI) 1-Acenaphthenone, 5-nitro- 1-Oxo-5-nitroacenaphthene 5-Nitro-1(2H)-acenaphthylenone 5-Nitro-1-acenaphthenone 5386-11-8 BRN 2332458