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(4E,6E,8Z,13E,15E,17Z)-18-tert-Butyl-9-((1E,3E,5Z)-6-tert-butyl-8-trimethylsilanyl-octa-1,3,5-trien-7-ynyl)-12-[(2E,4E)-7,7-dimethyl-6-oxo-octa-2,4-dien-(Z)-ylidene]-2,2-dimethyl-20-trimethylsilanyl-icosa-4,6,8,13,15,17-hexaene-10,19-diyn-3-one
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(4E,6E)-8-[(2E,4E,6Z,12Z,14E,16E)-7,12-Di-tert-butyl-18-[(2E,4E)-7,7-dimethyl-6-oxo-octa-2,4-dien-(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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(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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(4E,6E)-8-[(2E,4E,6Z,12Z,14E,16E)-7,12-Di-tert-butyl-18-[(2E,4E)-6-tert-butyl-6-methoxy-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