Which region in the IR spectrum could be used to distinguish between naproxen and diphenhydramine (Benadryl) ? 
Definitions:
Technology
The combination of knowledge, skills, equipment, and work methods used to transform inputs into outputs.
Structure
The organizational framework or arrangement of various parts of a system, project, or organization.
Human Resource Systems
The frameworks employed within organizations to recruit, manage, develop, and optimize employees in alignment with business objectives.
Competencies
A combination of skills, knowledge, and abilities that enable individuals to perform tasks or roles effectively.
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