nitric acid T=35°C;

<b>Multi-step reaction with 2 steps<br /> </b>1: HNO₃ / CDCl₃ / 0.17 h / -60 &deg;C<br />2: HNO₃, trifluoroacetic anhydride / CDCl₃ / -40 &deg;C<br /> <br /> &nbsp;