InChI=1/C15H26N4O4S/c20-14(9-19-8-4-5-16-15(19)21)17-12-10-24(22,23)11-13(12)18-6-2-1-3-7-18/h12-13H,1-11H2,(H,16,21)(H,17,20)/p+1/t12-,13-/m0/s1/fC15H27N4O4S/h16-18H/q+1 4E71ED91F72F266D