英文别名Gastrodin Impurity 22; 4,4'-Dimethyl-2,2'-bi(phenol); 2,2'-Bi[4-methylphenol]; [1,1'-Biphenyl]-2,2'-diol, 5,5'-dimethyl-; 2-(2-hydroxy-5-methylphenyl)-4-methylphenol; 4-methyl-2-(5-methyl-2-hydroxyphenyl)phenol; 2,2'-Dihydroxy-4,4'-dimethylbiphenyl; 2,2'-dihydroxy-5,5'-dimethyldiphenyl; 2,2'-dihydroxy-5,5'-dimethyl-1,1'-biphenyl; 2,2'-Dihydroxy-5,5'-dimethylbiphenyl 
