7. 下列烷類分子的 IUPAC 系統命名為何?
(A) 2,3-dimethyl-4-sec-butylheptane
(B) 4-sec-butyl-2,3-dimethylheptane
(C) 2,3,5-trimethyl-4-propylheptane
(D) 4-propyl-2,3,5-trimethylheptane
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統計: A(38), B(36), C(274), D(38), E(0) #2745694
統計: A(38), B(36), C(274), D(38), E(0) #2745694