InChI=1/C20H23N3O4/c1-3-11-27-20(26)14-7-9-16(10-8-14)23-18(24)13-22-17-6-4-5-15(12-17)19(25)21-2/h4-10,12,22H,3,11,13H2,1-2H3,(H,21,25)(H,23,24)/f/h21,23H CE56599D18BA01F0