"3-{[(2-{[(2,3-dihydroxyphenyl)methylidene]amino}phenyl)imino]methyl}benzene-1,2-diol"
"3-{[(2-{[(2,3-dihydroxyphenyl)methylidene]amino}phenyl)imino]methyl}benzene-1,2-diol"
"3-{[(2-{[(2,3-dihydroxyphenyl)methylidene]amino}phenyl)imino]methyl}benzene-1,2-diol"
"3-{[(2-{[(2,3-dihydroxyphenyl)methylidene]amino}phenyl)imino]methyl}benzene-1,2-diol"