What starting compound(s) would you use in an aldol reaction to prepare as the major product: 
Definitions:
Future Population
Projected numbers of individuals that will exist in the future based on current demographic trends.
Population Increase
This describes the growth in the number of individuals within a population, often influenced by factors such as birth rates, death rates, and migration.
Population Decrease
A reduction in the number of people in a population due to factors like death rates exceeding birth rates, emigration, or other causes.
World's Overall Population
The total number of humans currently living on Earth.
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