1146-04-9 3',6'-dihydroxy-2',2',4',6'-tetramethyl-2',3'-dihydrospiro[cyclopropane-1,5'-inden]-7'(6'H)-one AIDS-132430 AIDS132430 NSC626370 Spiro[cyclopropane-1,5'-[5H]inden]-7'(6'H)-one, 2',3'-dihydro-3',6'-dihydroxy-2',2',4',6'-tetramethyl-