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

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

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

(4-{4-Hydroxy-3-isopropyl-5-[4-(1-nitro-ethyl)-phenylethynyl]-benzyl}-3,5-dimethyl-phenoxy)-acetic acid methyl ester

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