InChI=1S/C19H28N2O4S/c1-3-4-6-11-16(26)18(23)21-15(12-14-9-7-5-8-10-14)17(22)20-13(2)19(24)25/h5,7-10,13,15-16,26H,3-4,6,11-12H2,1-2H3,(H,20,22)(H,21,23)(H,24,25)/t13-,15-,16-/m0/s1