4-(4-Mercapto-phenyl)-4-methyl-pentanoic acid ethyl ester 、 2-[4-(4-Methyl-2-p-tolyl-thiazol-5-ylsulfanyl)-phenyl]-cyclopropanecarboxylic acid methyl ester 以21%的产率得到4-Methyl-4-{4-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-ylmethylsulfanyl]-phenyl}-pentanoic acid ethyl ester