Ethylmethylisopropylamine નું $IUPAC$ નામ શું છે?

• A
  $N$-Methyl-$N$-isopropylethanamine
• B
  $N$-Ethyl-$N$-methylpropan$-1-$amine
• C
  $N$-Ethyl-$N$-methylpropan$-2-$amine
• D
  $N$-Ethyl-$N$-isopropylmethanamine