The present invention provides a tosylate salt of N-[3-[(4aR,7aS)-2-amino-6-(5- fluoropyrimidin-2-yl)-4,4a,5,7-tetrahydropyrrolo[3,4-d][1,3]thi azin-7a-yl]-4-fluoro- phenyl]-5-methoxy-pyrazine-2-carboxamide.La presente invención se refiere a una sal de tosilato de N-[3-[(4aR,7aS)-2-amino-6-(5-fluoropirimidin-2-il)-4,4a,5,7-tetra hidropirrolo[3,4-d][1,3]tiazin-7a-il]-4-fluoro-fenil]-5-metoxi-pi razina-2-carboxamida.
