Ticagrelor:(1S,2S,3R,5S)-3-[7-[(1R,2S)-2-(3,4-difluorophenyl) cyclopropylamino]-5-(propyl thio)-3H-[1,2,3]triazolo [4,5-d] pyrimidin-3-yl]-5-(2-hydroxyethoxy) cyclopentane-1,2-diol.