Provide the structure of an alkane with the name 4-ethyl-4-methylheptane.

Chemical structure of 4-ethyl-4-methylheptane, showing its carbon backbone and branches.

Another view of the structure of 4-ethyl-4-methylheptane, highlighting its branched configuration.

Detailed representation of 4-ethyl-4-methylheptane's carbon structure with clear branching.

Simplified structure of 4-ethyl-4-methylheptane, focusing on its main carbon chain and branches.