{4-[3-(4-Azidomethyl-phenylethynyl)-4-hydroxy-5-isopropyl-benzyl]-3,5-dimethyl-phenoxy}-acetic acid methyl ester

{4-[3-isopropyl-4-methoxymethoxy-5-(4-methoxyphenylethynyl)benzyl]-3,5-dimethylphenoxy}acetic acid methyl ester

{4-[3-(2-Amino-phenylethynyl)-4-hydroxy-5-isopropyl-benzyl]-3,5-dimethyl-phenoxy}-acetic acid methyl ester

{4-[4-Hydroxy-3-isopropyl-5-(4-methoxy-phenylethynyl)-benzyl]-3,5-dimethyl-phenoxy}-acetic acid methyl ester

diethyl [4,6-dimethyl-5-(4'-hydroxy-3'-iso-propyl)benzyl]benzofuran-2-phosphonate