AIDS-222032 AIDS222032 Spiro[benzofuran-2(3H),1'(2'H)-naphthalene]-6,7-dicarboxaldehyde, 3',4',4'a,5',6',7',8',8'a-octahydro-4,6'-dihydroxy-2',5',5',8'a-tetramethyl-, (2'R,4a'S,6'R,8a'S)-