2-[4-[(5-oxo-7-propyl-4-spiro[4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxole-2,4'-cyclohexane]-1'-yl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)methyl]phenyl]benzonitrile