Chemical Name: N-methyl-1-(3-(2-(methyl(nitroso)amino)ethyl)-1H-indol-5-yl)methanesulfonamide
Synonym: N-Nitroso Desmethyl Sumatriptan Impurity
Smiles: CN(N=O)CCC1=CNC2=CC=C(CS(NC)(=O)=O)C=C21
Inchi: InChI=1S/C21H23N3O3S/c25-23-24-11-4-5-18(24)14-17-15-22-21-9-8-16(13-20(17)21)10-12-28(26,27)19-6-2-1-3-7-19/h1-3,6-9,13,15,18,22H,4-5,10-12,14H2/t18-/m1/s1