17. Remdesivir, one of the most popular molecules in the past three years, was approved or authorized for emergency use to treat COVID-19 in numerous countries. How many stereogenic centers are there in Remdesivir? (A) 4 (B) 5 (C) 6 (D) 7 (E) 8

3. Why is sodium methoxide not used in the Claisen condensation of ethyl acetate? (A) The methoxide is a weaker base than the ethoxide which is used. (B) sodium methoxide is more difficult to prepare than sodium ethoxide. (C) The methoxide would abstract a proton from the ethyl group of the ester. (D) Use of sodium methoxide would result in transesterification. (E) sodium methoxide can be used as well as sodium ethoxide.

17. Remdesivir, one of the most popular molecules in the past three years, was approved or authorized for emergency use to treat COVID-19 in numerous countries. How many stereogenic centers are there in Remdesivir?

(A) 4
(B) 5
(C) 6
(D) 7
(E) 8

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