The molecule is an oxaspiro compound that is 1-oxaspiro[4.5]deca-6,9-diene-2,8-dione carrying two additional tert-butyl substituents at positions 7 and 9. It is an oxaspiro compound, a lactone, an enone and a cyclic ketone.
7,9-ditert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione