InChI=1S/C17H26N4O7S/c1-17(2)12(16(27)28)21-13(24)11(14(21)29-17)20-9(22)6-4-3-5-8(15(25)26)19-10(23)7-18/h8,11-12,14H,3-7,18H2,1-2H3,(H,19,23)(H,20,22)(H,25,26)(H,27,28)/p-1/t8-,11+,12-,14+/m0/s1