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In the title compound, C34H41N7O5·4H2O (systematic name: ethyl 3-{[2-({4-[(Z)-amino­(hexyl­oxycarbonyl­imino)­meth­yl]anilino}meth­yl)-1-meth­yl­benzimidazole-5-carbon­yl]pyridin-2-yl­amino}­propano­ate tetra­hydrate), the benzene and pyridine rings form dihedral angles of 5.4 (1) and 43.8 (1)°, respectively, with the benzimidazole mean plane. The terminal butyl group is disordered over two conformations in a 0.756 (10):0.244 (10) ratio. There is an intramolecular N—H...O hydrogen bond present. In the crystal, the water mol­ecules are involved in the formation of O—H...O, O—H...N and N—H...O hydrogen bonds, which link the components into layers parallel to the ab plane.
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