Synonyms: Resorcinol,4,5-dimethyl- (6CI,7CI,8CI); 1,2-Dimethyl-3,5-dihydroxybenzene;1,3-Dihydroxy-4,5-dimethylbenzene; 3,5-Dihydroxy-1,2-dimethylbenzene;4,5-Dimethyl-1,3-benzenediol; 4,5-Dimethyl-1,3-dihydroxybenzene;4,5-Dimethylresorcinol; NSC 243682; o-Xylorcinol