{4-[3-(4-bromophenylethynyl)-5-isopropyl-4-methoxymethoxybenzyl]-3,5-dimethylphenoxy}acetic acid methyl ester

{4-[3-(3-aminophenylethynyl)-5-isopropyl-4-methoxymethoxybenzyl]-3,5-dimethylphenoxy}acetic acid methyl ester

4-[2-Hydroxy-3-isopropyl-5-(4-methoxycarbonylmethoxy-2,6-dimethyl-benzyl)-phenylethynyl]-benzoic acid methyl ester

{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