InChI=1S/C21H25N3O6S/c22-16(21(29)30)8-9-18(25)24-17(20(28)23-10-19(26)27)12-31-11-14-6-3-5-13-4-1-2-7-15(13)14/h1-7,16-17H,8-12,22H2,(H,23,28)(H,24,25)(H,26,27)(H,29,30)/t16-,17-/m0/s1