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  • (4E,6E)-8-[(2E,4E,6Z,12Z,14E,16E)-7,12-Di-tert-butyl-18-[(2E,4E)-6-tert-butyl-6-hydroxy-octa-2,4-dien-7-yn-(Z)-ylidene]-cycloicosa-2,4,6,12,14,16-hexaene-8,10,19-triyn-(Z)-ylidene]-2,2-dimethyl-octa-4,6-dien-3-one

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