3-ethyl-2-methyl-benzo[4,5]selenolo[2,3-
d]thiazolium; iodide 、
3-ethyl-2-(2-methylsulfanyl-propenyl)-benzothiazolium; methyl sulfate 生成 3-ethyl-2-[3-(3-ethyl-3
H-benzothiazol-2-ylidene)-2-methyl-propenyl]-benzo[4,5]selenolo[2,3-
d]thiazolium; iodide