InChI=1S/C19H27NO7S/c20-14(19(26)27)13-28-16(15(21)9-8-12-18(24)25)10-6-4-2-1-3-5-7-11-17(22)23/h1-7,10,14-16,21H,8-9,11-13,20H2,(H,22,23)(H,24,25)(H,26,27)/b3-1-,4-2+,7-5+,10-6+/t14-,15+,16-/m1/s1