InChI=1/C20H25N3O4/c24-12-17(13-25)22-19(26)10-18-20(27)21-7-8-23(18)11-14-5-6-15-3-1-2-4-16(15)9-14/h1-6,9,17-18,24-25H,7-8,10-13H2,(H,21,27)(H,22,26)/p+1/t18-/m1/s1/fC20H26N3O4/h21-23H/q+1 277AA2E76F8AFDAA