Which of the following compounds would be least reactive toward electrophilic substitution? 
Definitions:
Preoperational Stage
is a stage in Piaget's theory of cognitive development, where children from 2 to 7 years old develop memory and imagination, but think in an illogical manner.
Objective Morality
The concept that certain acts are universally right or wrong, independent of human opinion or beliefs.
Moral Realism
The philosophical position that ethical statements are objectively true or false and that moral facts exist independently of our perception of them.
Heritability
The degree to which the variations in a trait from one person to another can be attributed to genetic factors.
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