Crystalline polymorphic form I of 4 - {[4 - ({[4- (2,2,2-trifluoroethoxy) -1,2-bencisoxazol-3-yl] oxy} methyl) piperidin-1-yl] methyl} - tetrahydro-2H-pyran-4-carboxylic, which is characterized by an X-ray powder diffraction pattern (PXRD) obtained by irradiation with Cu-KR radiation that includes 2-Theta º 5,9, 9,3 main peaks , 9.8, 11.9, 13.7, 14.3, 15.0, 17.8, 18.2-19.3, 19.7, 22.6, 23.4-24.5 and 24 , 9 +/- 0.2Forma polimórfica cristalina I del ácido 4-{[4-({[4-(2,2,2-trifluoroetoxi)-1,2-bencisoxazol-3-il]oxi}metil) piperidin-1-il]metil}-tetrahidro-2H-piran-4-carboxílico, que se caracteriza por un patrón de difracción de polvo de rayos X (PXRD) obtenido mediante irradiación con radiación de Cu-KR que incluye picos principales a 2-Thetaº 5,9, 9,3, 9,8, 11,9, 13,7, 14,3, 15,0, 17,8, 18,2-19,3, 19,7, 22,6, 23,4-24,5 y 24,9 +/- 0,2
