Give the structure of dipropylamine.

Structure of dipropylamine with a nitrogen atom bonded to two propyl groups.

Structure of dipropylamine showing an amine group with NH2 attached to a propyl chain.

Structure of diisopropylamine with a nitrogen atom bonded to two isopropyl groups.

Structure of diisopropylamine showing an amine group with NH2 attached to isopropyl chains.