3-乙基-2-硫代-4-噻唑烷二酮 、
3-ethyl-5-[2-(1-ethyl-1H-naphtho[1,2-d]thiazol-2-ylidene)-ethylidene]-2-thioxo-thiazolidin-4-one 生成 3-Aethyl-2-<3-aethyl-4-oxo-2-thioxo-thiazolidin-5-yliden>-5-<2-(3-aethyl-3H-β-naphthothiazol-2-yliden)-aethyliden>-thiazolidin-4-on