4-[3-isopropyl-5-(4-methoxycarbonylmethoxy-2,6-dimethylbenzyl)-2-methoxymethoxyphenylethynyl]-benzoic acid methyl ester

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

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

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

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