InChI=1/C21H28N4O4/c1-25(2)13-16(19(26)14-7-5-4-6-8-14)12-23-21(28)24-17-11-15(20(22)27)9-10-18(17)29-3/h4-11,16,19,26H,12-13H2,1-3H3,(H2,22,27)(H2,23,24,28)/p+1/t16-,19-/m0/s1/fC21H29N4O4/h23-25H,22H2/q+1 DE9D0FECB883D7DB