InChI=1/C24H27N3O4/c1-18(28)25-22(16-19-8-4-2-5-9-19)24(30)31-17-23(29)26-20-10-12-21(13-11-20)27-14-6-3-7-15-27/h2,4-5,8-13,16H,3,6-7,14-15,17H2,1H3,(H,25,28)(H,26,29)/b22-16-/f/h25-26H EAB27ABE5BA11724