Nucleocidin: lost in 1956, found in 2015.
Nucleocidin is a rare example of a natural product containing fluorine. Only six structurally distinct examples of fluorinated natural products are known! (Fun fact: nucleocidin contains an equally rare sulfamate group, shown in red). As a fluorinated analog of adenosine, nucleocidin belongs to a very valuable and pharmaceutically useful category of molecules known as fluorosugars. Such … More Nucleocidin: lost in 1956, found in 2015.