Drawn below is the structure of Singulair® (montelukast) , a medication used to manage athsma. What is the degree of substitution of the alkene of Singulair®? 
Definitions:
Characteristics
Traits or features that distinguish someone or something from others.
Hostile Competition
A form of rivalry where the parties involved engage in aggressive and antagonistic interactions beyond healthy competition.
Non-prejudiced People
Individuals who do not harbor preconceived judgments or biases against others based on superficial characteristics such as race, gender, or ethnicity.
Negative Stereotypes
Oversimplified and unfavorable beliefs about a particular group of people, often leading to prejudice and discrimination.
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