InChI=1S/C18H22N4O7S/c19-12(18(27)28)6-7-14(23)21-13(17(26)20-9-16(24)25)10-30-15(22-29)8-11-4-2-1-3-5-11/h1-5,12-13,29H,6-10H2,(H,20,26)(H,21,23)(H,24,25)(H,27,28)/q+1/p-2