3-ethyl-5-[2-(3-ethyl-4-phenyl-3H-thiazol-2-ylidene)-ethylidene]-2-thioxo-thiazolidin-4-one 、 6-(4-oxo-2-thioxo-thiazolidin-3-yl)-hexanoic acid ethyl ester 生成 6-{3-ethyl-5-[2-(3-ethyl-4-phenyl-3H-thiazol-2-ylidene)-ethylidene]-4,4'-dioxo-2'-thioxo-dihydro-[2,5']bithiazolyliden-3'-yl}-hexanoic acid ethyl ester