InChI=1/C27H25N3O4/c31-27(32)21-3-1-19(2-4-21)17-30-15-13-23(18-30)29-22-7-11-25(12-8-22)34-24-9-5-20(6-10-24)26-28-14-16-33-26/h1-12,14,16,23,29H,13,15,17-18H2,(H,31,32)/t23-/m1/s1/f/h30H 2C718E724189A917