InChI=1S/C19H25N3O9S/c20-11(18(28)29)6-7-13(23)22-12(17(27)21-8-14(24)25)9-32-16(15(26)19(30)31)10-4-2-1-3-5-10/h1-5,11-12,15-16,26H,6-9,20H2,(H,21,27)(H,22,23)(H,24,25)(H,28,29)(H,30,31)