Crystal structure of 2,4-di-amino-5-(4-hy-droxy-3-meth-oxy-phen-yl)-8,8-dimethyl-6-oxo-6,7,8,9-tetra-hydro-5 H-chromeno[2,3- b]pyridine-3-carbo-nitrile-di-methyl-formamide-water (1/1/1)
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In the structure of the title compound, C22H22N4O4·C3H7NO·H2O, the entire tricyclic system is approximately planar except for the carbon atom bearing the two methyl groups; the meth-oxy-phenyl ring is approximately perpendicular to the tricycle. All seven po... ...