How many different signals will be present in the proton NMR for ethylpropanoate? (Do not count TMS as one of the signals!) 
Definitions:
Rate of Change
A mathematical calculation that identifies the degree to which a quantity increases or decreases over a given period.
Complexity
The state or quality of being intricate or complicated, often requiring sophisticated understanding or solutions.
High-uncertainty Environments
Situations or contexts in which there is a high level of unpredictability or instability, making it difficult to forecast future events or outcomes.
Decision Makers
Individuals or groups responsible for making choices that will impact the outcomes of certain situations or projects.
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