InChI=1S/C22H31N3O9S/c1-2-3-4-14-11-5-7-15(19(29)18(11)22(33)34-14)35-10-13(20(30)24-9-17(27)28)25-16(26)8-6-12(23)21(31)32/h4,12-13,15,19,29H,2-3,5-10,23H2,1H3,(H,24,30)(H,25,26)(H,27,28)(H,31,32)/b14-4+