InChI=1S/C22H31NO4S/c1-14-9-7-5-6-8-10-20(15(2)11-18-13-28-17(4)23-18)27-21(25)12-19(24)16(3)22(14)26/h6,8,11,13-14,16,19-20,24H,5,7,9-10,12H2,1-4H3/b8-6-,15-11+/t14-,16-,19+,20+/m1/s1