InChI=1/C12H16N4O5S/c13-11(17)10-7-16(5-6-21-10)12(18)15-8-1-3-9(4-2-8)22(14,19)20/h1-4,10H,5-7H2,(H2,13,17)(H,15,18)(H2,14,19,20)/t10-/m1/s1/f/h15H,13-14H2 7D21CA51D5254581