Add Spectra ( Help ). From Wikipedia Resorcinol (or resorcin ) is a dihydroxy benzene . It is the 1,3- isomer of benzenediol with the formula C 6 H 4 (OH) 2 . Read more... Edit at Wikipedia... Other names Resorcinol (IUPAC Name); 1,3-Benzenediol; 1,3-dihydroxybenzene; Benzol-1,3-diol; RESO; Resorcino References Please add