Einecs 279-534-3

8,9-Dehydrotheaspirone

2,6,10,10-Tetramethyl-1-oxaspiro(4.5)dec-6-en-8-one

2,6,10,10-tetramethyl-1-oxaspiro[4.5]deca-2,6-dien-8-one

8-Oxo-2,6,10,10-tetramethyl-1-oxaspiro[4.5]decane-2,6-diene