InChI=1/C23H21N3O4/c27-18-11-7-15(8-12-18)13-21-23(29)24-19-3-1-2-4-20(19)26(21)14-16-5-9-17(10-6-16)22(28)25-30/h1-12,21,27,30H,13-14H2,(H,24,29)(H,25,28)/t21-/m1/s1/f/h24-25H FB4F2D039F6EFA9C