Which of the following is the structure of purine? 
Definitions:
Progressive Reformers
Advocates for political, social, and economic reforms aimed at addressing the injustices and inefficiencies of the early 20th century.
Streetcars
Rail vehicles which run on tracks in urban streets for public passenger transport; also known as trams or trolleys in some regions.
Privatize
The transfer of a business, industry, or service from public to private ownership and control.
Women's Clubs
Organizations that began in the late 19th century as a movement for women to express their interests and effect social reforms.
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