InChI=1/C13H10Cl2N2O2/c14-11-6-3-9(7-12(11)15)17-13(19)16-8-1-4-10(18)5-2-8/h1-7,18H,(H2,16,17,19 N-(3,4-dichlorophenyl)-N'-(4-hydroxyphenyl)urea urea, N-(3,4-dichlorophenyl)-N'-(4-hydroxyphenyl)-