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Di Somma, I., Marotta, R., Andreozzi, R., & Caprio, V. (2012). Kinetic and Safety Characterization of the Nitration Process of Methyl Benzoate in Mixed Acid. Organic Process Research & Development, 16(12), 2001–2007. doi:10.1021/op300043x 
10.1021/op300043x