1,4-Pentadien-3-one, 1,5-bis(5-nitro-2-furanyl)- (9CI) 1,4-Pentadien-3-one, 1,5-bis(5-nitro-2-furyl)- (8CI) 1,5-Bis(5-nitro-2-furyl)penta-1,4-dien-3-one 2152-70-7 EINECS 218-443-5 NSC 21620