3-hydroxy 6-nitro benzaldehyde, 2-Nitro-5-hydroxybenzaldehyde, EINECS 255-832-9, Benzaldehyde, 5-hydroxy-2-nitro-, 5-Hydroxy-2-Nitrobenzaldehyde, BENZALDEHYDE,5-HYDROXY-2-NITRO, 5-hydroxy-2-nitro-benzaldehyde, 3-Formyl-4-nitrophenol, 2-formyl-4-hydroxy-1-nitrobenzene, 5-Hydroxy-2-nitro-benzaldehyd, 6-Nitro-3-hydroxybenzaldehyde