InChI=1/C14H13N3O5/c1-22-13-8-10(17(20)21)4-7-12(13)16-14(19)15-9-2-5-11(18)6-3-9/h2-8,18H,1H3,(H2,15,16,19 N-(4-hydroxyphenyl)-N'-(2-methoxy-4-nitrophenyl)urea urea, N-(4-hydroxyphenyl)-N'-(2-methoxy-4-nitrophenyl)-