In the following list, there are two organic Lewis bases. 
Definitions:
Marginal Revenue
The additional income received from selling one more unit of a good or service.
Selling Unit
A specific quantity or configuration of a product that is made available for sale to consumers.
Marginal Benefit
The additional satisfaction or utility gained from consuming one more unit of a good or service.
Marginal Cost
The price associated with manufacturing an additional unit of a product or service.
Q16: Which of the following is the best
Q18: What is the major organic product obtained
Q40: Provide the structure of the key intermediate
Q41: Outline how one might achieve the following
Q44: Which of the following is a feature
Q45: What type of molecular orbital is
Q51: Which of the following is the strongest
Q78: Which of the following represents the transition
Q83: How much of the R enantiomer is
Q89: The specific rotation of enantiomers have the