一、习题部分1.蔡环上的位置可用a、声表示,如的异构体的数目有(A.9种B.10种)。cll种D .12种 口扔、扮。6.下面是某些稠环芳香烃的结构简式:鸽介拼有取代基的是(下列化合物中a位 N02A.卯CH3B.扔S03H HO丫冲气D.气声护CH3 毗二扔··…于稠环芳香烃,叫a--甲蔡。因甲基在蔡环上的 Part I. Exercises 1. The positions on the Cai Ring can be represented by a, a sound, such as the number of isomers (A.9 kinds of B.10 species). Cll species D.12 kinds of mouth throw, play. 6. The following is a simplified structural diagram of some fused aromatic rings: the pigeons have a substituent (the following compounds contain a-site N02A. 卯CH3B. throw S03H HO 丫 gas D. gas protection CH3 二 two throw. ·...in polycyclic aromatic hydrocarbons, called a--Kai Cai. Because of the methyl group on the Cai Ring