InChI=1/C18H17NO2S/c1-12-3-5-13(6-4-12)17-15-11-14(7-8-16(15)19-21-17)18(2)20-9-10-22-18/h3-8,11H,9-10H2,1-2H3/t18-/m0/s1 872BB9A0FE5D4D96