Three - (3 - {2 - [(E) - 3,5-diamino-6-chloro-pyridyl-2-carbonate] - 1,3,8-triaza-helix [4.5] decano-8-carbonil} - benzenesulfonamide - C dichloroacrylonitrile, containing 2-theta (+ / - 0.2) with a value of 7.0, was used;Ten point sixFourteen point threeEighteen point twoEighteen point sixNineteen point twoTwenty-one point twoTwenty-one point eightTwenty-four point seven29.0-31.5 between 21 ℃ and 26 ℃, the compound is active on the epiterial (ENaC) sodium channelREFRIDA A UNA FORMA CRISTALINA DEL ESTER DIPROPILCARBAMOILMETILO DEL ACIDO 3-(3-{2-[(E)-3,5-DIAMINO-6-CLORO-PIRAZINA-2-CARBONILIMINO]-1,3,8-TRIAZA-ESPIRO[4.5]DECANO-8-CARBONIL}-BENCENOSULFONILAMINO)-PROPIONICO DE FORMA C QUE COMPRENDE UN PATRON DE DIFRACCION DE RAYOS X CON VALORES 2-THETA (+/-0,2) DE 7,0�, 10,6�, 14,3�, 18,2�, 18,6�, 19,2�, 21,2�, 21,8�, 24,7�, 29,0� Y 31,5� A UNA TEMPERATURA DE ENTRE 21�C Y 26�C. DICHO COMPUESTO TIENE ACTIVIDAD SOBRE LOS CANALES DE SODIO EPITELIAL (ENaC)