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59CH3CH2COOCH2CH3命名为
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59CH3CH2COOCH2CH3命名为
A、丙酰氯
B、丙酸乙酯
C、丙酰胺
D、丙酸酐
时间：2021-09-06 21:09
关键词：
青书学堂
遵义医科大
20级检验
有机化学
答案解析
B
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boost的意思是:help or encourage to increase or improve
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A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
原子团CH3CH2CH2CH2- 的名称( )
59CH3CH2COOCH2CH3命名为
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39CH3CH2CH2OCH3CH2CH3命名为
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20鉴别CH3CH═CHCH2Br和CH3CH2CH2CH2Br选用的试剂为:
CH3CH2CH2CH2OH和CH3CH2OCH2CH3属于何种异构（ ）
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
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