Name: 5H-1,3-DIOXOLO4,5-CPYRROLE-5-CARBOXYLIC ACID 4-4-AMINO-5-(ETHOXYCARBONYL) -1H-PYRROL-3-YLTETRAHYDRO-2,2,6-TRIMETHYL-,TERT-BUTYL ESTER,(3AS,4S,6R,6AR)