T=210°C; P=0.750075 Torr; 11 h; Product distribution / selectivity;

<b>Multi-step reaction with 3 steps<br /> </b>1: 190 &deg;C / 375.04 Torr / Industry scale<br />2: sulfuric acid / nitrobenzene / 100 &deg;C / Industry scale<br />3: dibutyl tin dilaurate / 250 &deg;C / 150.01 Torr / Industry scale<br /> <br /> &nbsp;