InChI=1/C14H15N3O4S/c1-20-9-3-7(4-10(21-2)12(9)19)13-8-5-15-17-14(8)16-11(18)6-22-13/h3-5,13,19H,6H2,1-2H3,(H2,15,16,17,18)/t13-/m1/s1/f/h15,18H A7EB5F71862476B1