(4aS,6R,7S,7aR)-6-[4-[[(1S)-2,3-Dihydro-1H-inden-1-yl]amino]-7H-pyrrolo[2,3-d]pyrimidin-7-yl]hexahydro-2-(4-methoxyphenyl)-cyclopenta-1,3-dioxin-7-ol