(1)芳香族同分异构体有 18 种!(2) C6H5CH2CH2OH C6H5CHOHCH3---2!(3)C6H4(CH3)CH2OH 邻，间，对---3！(4)C6H4(CH3)OCH3 邻，间，对---3！C6H5-O-C2H5---1!(5)C6H4(OH)C2H5邻，间，对---3！(6)C6H3(OH)(CH3)2---6!!
