24. Assign R or S configurations to the indicated centers in ascorbic acid. 5d5e03ae18c6f.jpg
(A) a = (R), b = (R)
(B) a = (R), b = (S)
(C) a = (S), b = (R)
(D) a = (S), b = (S)
(E) none of them

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統計： A(0), B(3), C(0), D(1), E(0) #2055441