4-Ethyl-3-nitrobenzoic acid (CAS NO.103440-95-5), its Synonyms are 3-Nitro-4-ethylbenzoic acid ; 4-Ethyl-3-nitrobenzoic acid, 98+% ; 3,4-4-Ethyl-3-nitrobenzoic acid ; Benzoic acid, 4-ethyl-3-nitro- .