InChI=1/C21H27N3O4/c1-3-27-12-6-11-22-21(26)24-23-20(25)18-9-5-10-19(14-18)28-15-17-8-4-7-16(2)13-17/h4-5,7-10,13-14H,3,6,11-12,15H2,1-2H3,(H,23,25)(H2,22,24,26)/f/h22-24H B97BD5DDF683B40C