Synonyms: 4H-Pyran-4-one,2-[3-[3,5-dimethyl-6-(2-methylpropyl)-4-oxo-4H-pyran-2-yl]-1-methyl-2-oxobutyl]-6-ethyl-3,5-dimethyl-,(R*,S*)-(?à)-; 4H-Pyran-4-one,2-[3-[3,5-dimethyl-6-(2-methylpropyl)-4-oxo-4H-pyran-2-yl]-1-methyl-2-oxobutyl]-6-ethyl-3,5-dimethyl-,(R*,S*)-; Maurapyrone C