4-Methyl-1,2-Benzenediol4-METHYLCATECHOL3,4-二羟基甲苯4-Methylcatechol4-Methyl-1,2-benzenediol4-甲基-1,2-苯二酚4-甲基儿茶酚3,4-Dihydroxytoluene3,4-DihydroxytolueneHomocatechol4-Methyl-1,2-dihydroxybenzene4-methylcatechol4-Methyl-1,2-benzenediol4-Methylcatechol1,2-dihydroxy-4-methylbenzene4-methylcatechol1,2-Dihydroxy-4-methylbenzenep-MethylpyrocatecholToluene-3,4-diol3,4-dihydroxytoluene2-Hydroxy-4-methylphenolHomopyrocatecholp-Methylcatechol4-methyl-1,2-benzenediol4-Methylpyrocatechol