Name: 5H-1,3-DIOXOLO4,5-CPYRROLE-5-CARBOXYLIC ACID 4-2,4-BIS(PHENYLMETHOXY) -5H-PYRROLO[3,2-D]PYRIMIDIN-7-YLTETRAHYDRO-6-(HYDROXYMETHYL)-2,2-DIMETHYL-,TERT-