InChI=1/C20H20N4O5S/c1-12-4-5-13(2)16(8-12)23-30(26,27)15-6-7-18-17(9-15)24(20(25)11-28-18)10-19-21-14(3)29-22-19/h4-9,23H,10-11H2,1-3H3 1C77C76A3362E216