... two chlorobenzene, water, sodium acetate, benzyl triethyl ammonium chloride and four chloranil mixtures at 40 to 60 DEG ... upstream raw materials: hydrochloric acid, nitric acid, anhydrous calcium chloride and ethyl bromide, sodium acetate, adjacent two chlorobenzene and ... benzene sulfonyl chloride, carbazole - 3 - amino - 9 - ethyl carbazole ...