JavaScript spread and rename is not working [closed]

I am trying to do a spread with renaming. Please see my code below:

  console.log('request:', req.body);
  const {
    coupon_id: couponId,
    business_type: businessType,
    incorporated_state: incorporatedState,
    years_in_business: yearsInBusiness,
    months_in_business: monthsInBusiness,
    business_nature: businessNature,
  } = req.body;

  console.log('business type:', businessType);
  console.log('yearsInBusiness:', yearsInBusiness);

The code prints the below:

request: {
    coupon_id: 1,
    business_type: "LLC",
    incorporated_state: "NY",
    address_state: "NY",
    years_in_business: 1,
    months_in_business: 6
}
business type: undefined
yearsInBusiness: undefined

Clearly, my constants are known to the compiler, yet the values are undefined.
What am I doing wrong?