InChI=1S/C22H31N3O9S/c1-2-3-4-15-11-5-7-14(26)19(18(11)22(33)34-15)35-10-13(20(30)24-9-17(28)29)25-16(27)8-6-12(23)21(31)32/h4,12-14,19,26H,2-3,5-10,23H2,1H3,(H,24,30)(H,25,27)(H,28,29)(H,31,32)/b15-4+