InChI=1/C23H25N2O3S/c1-18-21(24-29(3,26)27)13-9-14-22(18)25(16-19-10-5-4-6-11-19)17-20-12-7-8-15-23(20)28-2/h4-15H,16-17H2,1-3H3/q-1 E12E6B1BAEDBF17E