Synonyms: ethyl 3-ethyl-2-[2-(phenylamino)vinyl]naphth[1,2-d]oxazolium sulphate;2-(beta-Anilinovinyl)-3-ethylnaphth(2,1-D)oxaxolium ethosulfate;Einecs 267-116-3;Naphth(2,1-D)oxazolium, 3-ethyl-2-(2-(phenylamino)ethenyl)-, ethyl sulfate;Naphth(2,1-D)oxazolium, 3-ethyl-2-(2-(phenylamino)ethenyl)-, ethyl sulfate (1:1)