Name: 5H-1,3-DIOXOLO4,5-CPYRROLE-5-CARBOXYLIC ACID 4-(4-AMINO-5H-PYRROLO[3,2-D]PYRIMIDIN-7-YL)-6-(TERT-BUTYL)DIMETHYLSILYLOXYMETHYLTETRAHYDRO-2,2-DIMETHYL-,