阿摩線上測驗
27.Assign R or S configuration for the chiral centers in 2,3,4-trihydroxybutanal.
(A) 2R, 3R
(B) 2R, 3S
(C) 2S, 3R
(D) 2S, 3S
(E) this compound is optically inactive.
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統計： A(2), B(0), C(0), D(0), E(0) #3437024
統計： A(2), B(0), C(0), D(0), E(0) #3437024
