InChI=1/C22H21N5O6/c1-11-19(21(32)26-23-9-13-3-5-15(28)17(30)7-13)12(2)25-20(11)22(33)27-24-10-14-4-6-16(29)18(31)8-14/h3-11,28-31H,1-2H3,(H,26,32)(H,27,33)/b23-9+,24-10+/t11-/m1/s1/f/h26-27H 14B3EDD22DBF83F6