The correct structure for ethyl 2-chloropentanoyl chloride is: 
Definitions:
Cost of Goods Sold
The direct costs attributable to the production of the goods sold in a company, including material and labor costs.
Collection Period
The average number of days it takes a company to collect payments from its credit sales, reflecting the efficiency of its credit and collection policies.
Sales Estimate
An approximation of the number or value of sales over a specific period, often used for planning and budgeting purposes.
Cash Collections
The process of gathering all received cash and cash equivalents during a specified period.
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