TRCTETHYL BENZENES 



TSESIS C*«GO OIL 



. IVi A..L -i. JiA^Lj ■ 



© 







CH 3 



I 

 RHjC — CH ■ 



CH 3 



-CH 2 



-0- 



CH. 



1 R-H 



2 R-CH3 



3 rh:h t ch 2 



4 R-O^CHj-CHj 



m/t-133 



1 1 1 1 11 1 11 1 »i 1 1 1 11 1 1 1 1 1 1 1 1 1 n 1 1 111 1 n 1 1 1 1 1 1 1 1 1 1 1 1 ii n I mi 1 1 in 1 1 1 1 1 u 1 



s ia is aa ss 3e s & 4S 52 S SB S 



241 



