3-Nitroalizarine, Alizarin orange, Alizarine Orange A, C.I. Mordant Orange, Alizarin,3-nitro, 1,2-dihydroxy-3-nitro-anthraquinone, 1,2-dihydroxy-3-nitro-9,10-anthracenedione, 9,10-Anthracenedione, 1,2-dihydroxy-3-nitro-, 3-Nitro-1,2-dihydroxyanthrachinon, 3-nitro-1,2-dihydroxy-anthraquinone, Alizarine orange, 3-Nitroalizarin, 1,2-Dihydroxy-3-nitro-anthrachinon