InChI=1S/C18H19NO2S/c1-19-11-10-17(18-9-4-12-22-18)21-16-8-3-5-13-14(16)6-2-7-15(13)20/h2-9,12,17,19-20H,10-11H2,1H3/t17-/m0/s1