InChI=1S/C18H22ClNO2S/c1-2-6-14-17(23(22)13-7-4-3-5-8-13)15-11-12(19)9-10-16(15)20-18(14)21/h9-11,13H,2-8H2,1H3,(H,20,21)/t23-/m1/s1