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2-Bromo-3-nitrobenzoic acid Ethyl 3-bromo-5-nitrobenzoate Methyl 3-bromo-5-nitrobenzoate METHYL 2-BROMO-4-NITROBENZOATE 2-BROMO-5-NITROBENZOIC ACID Methyl 2-bromo-5-nitrobenzoate tert-Butyl 4-bromo-2-nitrobenzoate Methyl 4-bromo-3-nitrobenzoate METHYL 2-BROMO-3-NITROBENZOATE