2-({(3aR,4S,6R,6aS)-6-[7-{[[N-(IR,2S)-2-(3,4-difluorophenyl)-cyclopropan-1-yl]-N-benzyl]amino}-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl]-2,2-dimethyl-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl}oxy)ethanol