InChI=1/C26H27N3O4/c1-2-32-25(30)23-21(28-26(31)29-24(23)22-14-9-15-33-22)17-27-20(19-12-7-4-8-13-19)16-18-10-5-3-6-11-18/h3-15,20,24,27H,2,16-17H2,1H3,(H2,28,29,31)/t20-,24-/m0/s1/f/h28-29H 594E546E8C27EA8F