but-1-ene;tert-butyl-[4-[3-[tert-butyl(dimethyl)silyl]oxy-4-[3-[tert-butyl(dimethyl)silyl]oxy-4-(3-methylbut-2-enoxy)phenyl]-2,5-dimethoxyphenyl]phenoxy]-dimethylsilane;2-[2-[tert-butyl(dimethyl)silyl]oxy-4-[2-[tert-butyl(dimethyl)silyl]oxy-4-[4-[tert-butyl(dimethyl)silyl]oxyphenyl]-3,6-dimethoxyphenyl]phenoxy]acetaldehyde;2-[3-hydroxy-4-[(Z)-pent-2-enoxy]phenyl]-5-(4-hydroxyphenyl)-3,6-dimethoxyphenol