InChI=1S/C19H21N2O6S/c1-24-17-8-13(9-18(25-2)19(17)26-3)11-21-7-6-14-10-16(27-28(20,22)23)5-4-15(14)12-21/h4-10,12H,11H2,1-3H3,(H2,20,22,23)/q+1 6-(sulfamoyloxy)-2-[(3,4,5-trimethoxyphenyl)methyl]isoquinolin-2-ium COc1cc(C[n+]2ccc3cc(O[S](N)(=O)=O)ccc3c2)cc(OC)c1OC COc1cc(C[n+]2ccc3cc(O[S](N)(=O)=O)ccc3c2)cc(OC)c1OC