InChI=1/C19H26N4O4S2/c1-14(2)17(21-29(25,26)16-6-4-15(27-3)5-7-16)18(24)22-9-11-23(12-10-22)19-20-8-13-28-19/h4-8,13-14,17,21H,9-12H2,1-3H3/t17-/m0/s1 6E13E281FF6F53D3