InChI=1/C19H20N4O5S/c1-9-14(18(24)28-5)15(23-17(21)13(8-20)29-19(23)22-9)10-6-11(25-2)16(27-4)12(7-10)26-3/h6-7,15H,21H2,1-5H3/t15-/m0/s1 284EFF7D3A498D5B