Provide the structure of each product (A-D) in the following reaction sequence. 
Definitions:
Minimizing Losses
Minimizing Losses involves strategies and actions a business or individual might employ to reduce financial setbacks or decrease the severity of financial downturns.
Total Loss
The complete depletion of value of an asset or the sum of expenses surpassing all revenues, resulting in no net gain.
Most Efficiently
The method or process that achieves the best possible outcome with the least waste of resources.
Output
The amount of goods or services produced by a company, industry, or economy within a given period.
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