InChI=1/C17H17NO2S/c19-17-12-21-16(10-18-17)14-6-8-15(9-7-14)20-11-13-4-2-1-3-5-13/h1-9,16H,10-12H2,(H,18,19)/t16-/m1/s1/f/h18H 531501225CCF3699