for the following products
4H-Cyclopenta-1,3-dioxol-4-ol 6-5-amino-6-chloro-2-(propylthio)-4-pyrimidinyl amino tetrahydro-2,2-dimethyl-(3aR,4S,6R,6aS)- and (3aR,4S,6R,6as)-6-[[5-amino-6-chloro-2-(propylthio)-4-pyrimidinyl]amino]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-ol