(2E,4E)-5-[3-[2-(3-fluoropropoxy)-3,5-di(propan-2-yl)phenyl]thiophen-2-yl]-3-methylpenta-2,4-dienoic acid (2E,4E)-5-[3-[2-(3-fluoropropoxy)-3,5-diisopropyl-phenyl]-2-thienyl]-3-methyl-penta-2,4-dienoic acid (2E,4E)-5-[3-[2-(3-fluoropropoxy)-3,5-diisopropylphenyl]-2-thienyl]-3-methylpenta-2,4-dienoic acid (2E,4E)-5-[3-[2-(3-fluoropropoxy)-3,5-di(propan-2-yl)phenyl]thiophen-2-yl]-3-methyl-penta-2,4-dienoic acid