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①CH2=CH—CH=CH2 ②CH3—C≡C—CH3 ③CH2=CH—CN
④CH3—CH=CH—CN ⑤CH3—CH=CH2 ⑥CH3—CH=CH—CH3
A.③⑥ B.②③ C.①③ D.④⑤
查看习题详情和答案>>①CH2=CH—CHCH2 ②CH3—C≡C—CH3? ③CH2=CH—CN?
④CH3—CH=CH—CN? ⑤CH3—CH=CH2? ⑥CH3—CH=CH—CH3
A.③⑥ B.②③ C.①③ D.④⑤
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丁腈橡胶 ①CH2=CH-CH=CH2 ②CH3-C≡C-CH3 ③CH2≡CH-CN ④CH3―CH―CH―CN ⑤CH3―CH=CH2 ⑥CH3―CH=CH-CH3 | |
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A. |
③⑥ |
B. |
②③ |
C. |
①③ |
D. |
④⑤ |