Synonyms: 1,3-benzenediol; 1,3-dihydroxybenzene; resorcine; 1,3-dihydroxybenzol; 1,3-dihydroxybenzene (resorcinol) ; 3-hydroxycyclohexadien-1-one; 3-hydroxyphenol; alpha-resorcinol; benzene, 1,3-dihydroxy-; benzene, m-dihydroxy-; benzene-1,3-diol; c.i. 76505; c.i. developer 4; c.i. oxidation base 31; c.i.76505; c.i.developer4; c.i.oxidationbase31; resorcin; m-dihydroxybenzene; R; 1,3-dihydroxybenzene (resorcinol); 1,3-dihydroxy benzene