1,2-Benzenediol, 4-methyl- 1,2-Dihydroxy-4-methylbenzene 3,4-Dihydroxytoluene 4-Methyl-1,2-benzenediol 4-Methyl-1,2-dihydroxybenzene 4-Methylcatechol 4-Methylpyrocatechol 452-86-8 Homocatechol Homopyrocatechol NSC17489 Pyrocatechol, 4-methyl- Toluene-3,4-diol p-Methylpyrocatechol