InChI=1/C21H23N5O4/c27-9-15-17(28)18(29)21(30-15)26-11-25-16-19(23-10-24-20(16)26)22-8-13-6-3-5-12-4-1-2-7-14(12)13/h1-2,4,6-7,10-11,15,17-18,21,27-29H,3,5,8-9H2,(H,22,23,24)/t15-,17-,18-,21-/m1/s1/f/h22H 14213D3D51E0F665