硫酸二乙酯   、                                                                                      
3,3'-diethyl-5-[(3-ethyl-3H-benzoxazol-2-yliden)-ethylidene]-2'-thioxo-dihydro-[2,5']bithiazolylidene-4,4'-dione                                                                                                                                                                                                                                                                                                          生成                                                 {3,3'-diethyl-5-[(3-ethyl-3
H-benzoxazol-2-yliden)-ethylidene]-4,4'-dioxo-4,5-dihydro-3
H,4'
H-[2,5']bithiazolyliden-2'-yl}-(3-ethyl-benzothiazol-2-yl)-methinium ; iodide