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