This article is within the scope of WikiProject Food and drink, a collaborative effort to improve the coverage of food and drink related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Food and drinkWikipedia:WikiProject Food and drinkTemplate:WikiProject Food and drinkFood and drink articles
Delete unrelated trivia sections found in articles. Please review WP:Trivia and WP:Handling trivia to learn how to do this.
Add the {{WikiProject Food and drink}} project banner to food and drink related articles and content to help bring them to the attention of members. For a complete list of banners for WikiProject Food and drink and its child projects, select here.
This article is within the scope of WikiProject Chemicals, a daughter project of WikiProject Chemistry, which aims to improve Wikipedia's coverage of chemicals. To participate, help improve this article or visit the project page for details on the project.ChemicalsWikipedia:WikiProject ChemicalsTemplate:WikiProject Chemicalschemicals articles
This article talk page was automatically added with {{WikiProject Food and drink}} banner as it falls under Category:Food or one of its subcategories. If you find this addition an error, Kindly undo the changes and update the inappropriate categories if needed. The bot was instructed to tagg these articles upon consenus from WikiProject Food and drink. You can find the related request for tagging here . Maximum and carefull attention was done to avoid any wrongly tagging any categories , but mistakes may happen... If you have concerns , please inform on the project talk page -- TinucherianBot (talk) 17:40, 3 July 2008 (UTC)[reply]
To which protons do the 4 pKa values correspond?
Is there some kind of Wikipedia standard?
Space Filling Model is Incorrect
The space filling model on this page is missing a Hydrogen on the Nitrogen in what I believe is usually called position 6 in purine. — Preceding unsigned comment added by 96.27.203.98 (talk) 15:25, 2 January 2013 (UTC)[reply]