Identify an aromatic, mixed, $3^{\circ}$ amine among the following compounds.
- $\mathrm{C}_6 \mathrm{H}_5 \mathrm{NHC}_2 \mathrm{H}_5$
- $\left(\mathrm{C}_2 \mathrm{H}_5\right)_3 \mathrm{~N}$
- $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$
- $\quad \mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}\left(\mathrm{CH}_3\right)_2$
Asked in: MHT CET 2024 (02 May Shift 2)