hydrogen 2-[[5-methoxy-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene]methyl]-1-(3-sulphonatopropyl)naphtho[1,2-d]thiazolium, compound with triethylamine
hydrogen 2-[[5-methoxy-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene]methyl]-1-(3-sulphonatopropyl)naphtho[1,2-d]thiazolium, compound with triethylamine