Tamiflu®, the most effective antiviral drug used to treat avian influenza, has the following structure. Identify the indicated functional groups in Tamiflu®.

Which of the following lists the correct functional groups found in aspartame, the artificial sweetener? 

Which of the following represent identical molecules?

The C2–C3 bond in the following compound results from the overlap of which orbitals?

Bonus question Which of the indicated protons would be most acidic?

Bonus question Which of the following compounds is most acidic?

For the following reaction, respectively identify the Brønsted-Lowry acid and the conjugate acid.

Which of the following correctly matches the molecules to the names of the functional group?I.          CH3OH                    Carboxylic acidII.         CH3CO2CH3               EsterIII.        CH3COCH3                 KetoneIV.        H2CO                      Alcohol

What are the formal charges on the atoms indicated for the following structure?

The sigma bond that is part of C=N in the following compound results from the overlap of which orbitals?