Cat. Name CAS. Structure Purity
R054866 4-[1,5-Bis-(2-methylsulfamoylethyl)-1H-indol-3-yl] NA 4-[1,5-Bis-(2-methylsulfamoylethyl)-1H-indol-3-yl]-1-methylpyridinium Chloride(Naratriptan impurity) ≥ 95%