2-(2-chloro-propenyl)-1-ethyl-naphtho[1,2-d]thiazolium; chloride 、 3-ethyl-2-methyl-benzo[4,5]thieno[3,2-
d]thiazolium; toluene-4-sulfonate 生成 1-ethyl-2-[3-(1-ethyl-1
H-benzo[4,5]thieno[3,2-
d]thiazol-2-ylidene)-propenyl]-naphtho[1,2-
d]thiazolium; iodide