2-[(2E,5E,7E,11E)-10-Hydroxy-3,7,9,11-tetramethyltrideca-2,5,7,11-tetraen-1-yl]-6-methoxy-3-methyl-4H-pyran-4-one;4H-Pyran-4-one, 2-[(2E,5E,7E,11E)-10-hydroxy-3,7,9,11-tetramethyl-2,5,7,11-tridecatetraen-1-yl]-6-methoxy-3-methyl-
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