49. The relationship between 1 and 2 is: ________.
(A) constitutional isomers
(B)same compound
(C) enantiomers
(D)diastereomers
(E) none of above
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統計: A(0), B(4), C(0), D(3), E(0) #3840059
統計: A(0), B(4), C(0), D(3), E(0) #3840059