Sulfamide. N-[(2R)-1.4-dioxan-2-ylmethyl]-N-methyl-N'-[3-(1-methyl-1H-pyrazol-4-yl)-5-oxo-5H-benzo[4.5]cyclohepta[1.2-b]pyridin-7-yl]-. potassium salt. hydrate (1:1:1)