InChI=1/C21H25N5O4/c22-6-1-7-24-12-2-3-13-17-16(12)21(30)19-15(29)5-4-14(28)18(19)20(17)25-26(13)10-8-23-9-11-27/h2-5,23-24,27-29H,1,6-11,22H2/p+2/fC21H27N5O4/h22-23H/q+2 18E40D90F4E8E103