Write down structure of the following compounds:
4-isopropylheptane or 4-(1-methylethyl) heptane

Explanation

To draw the structure of 4-isopropylheptane (or 4-(1-methylethyl)heptane), follow these steps:

### Step-by-Step Solution:

1. **Identify the Parent Chain**:
- The parent chain is "heptane," which indicates that the main carbon chain consists of 7 carbon atoms.

2. **Draw the Heptane Backbone**:
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