已知人造羊毛的结构为,则合成人造羊毛的单体是( )
①CH2="CHCN " ② CH2=CHCOOCH3 ③CH2=C(CN)CH3 ④CH3COOCH=CH2
⑤ CH3COOH ⑥CH2=C(CN)CH=CHOH
A.①② | B.⑤⑥ | C.③④ | D.①④ |
已知人造羊毛的结构为,则合成人造羊毛的单体是( )
①CH2="CHCN " ② CH2=CHCOOCH3 ③CH2=C(CN)CH3 ④CH3COOCH=CH2
⑤ CH3COOH ⑥CH2=C(CN)CH=CHOH
A.①② | B.⑤⑥ | C.③④ | D.①④ |
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