InChI=1/C18H26N4O4S/c1-21(12-16(23)19-9-4-10-24-2)13-22-18(27)26-17(20-22)11-14-5-7-15(25-3)8-6-14/h5-8H,4,9-13H2,1-3H3,(H,19,23)/p+1/fC18H27N4O4S/h19,21H/q+1 5C88B7E61E2956B3