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