(1)环状化合物A的相对分子质量为82,其中含碳87.80%,含氢12.2%。B的一氯代物仅有一种,B的结构简式为___

(1)环状化合物A的相对分子质量为82,其中含碳87.80%,含氢12.2%。B的一氯代物仅有一种,B的结构简式为__________.(2)M是B的一种同分异

查看答案

请回答  78  题答案

请回答  78  题答案

查看答案

For an American citizen on a 2-day tour of Canada,how much t

For an American citizen on a 2-day tour of Canada,how much tax does he have to p

查看答案

According to those against killing wolves,when wolves eat ot

According to those against killing wolves,when wolves eat other animals, .A.they

查看答案