One of the Stereoisomers of the Following Oblongolide Structure Is $\textbf{ 2010, }$

question 20

Multiple Choice

One of the stereoisomers of the following oblongolide structure is a natural product isolated from a fungus and has been found to contain antiviral and cytotoxic activities (J. Nat. Prod. $\textbf{ 2010, }$ 55) . How many stereoisomers exist for this structure?

• A) 6
• B) 12
• C) 32
• D) 64

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