InChI=1/C27H38N2O4/c1-3-5-10-20(4-2)27(32)29(19-24-13-9-18-33-24)25(21-14-16-23(30)17-15-21)26(31)28-22-11-7-6-8-12-22/h9,13-18,20,22,25,30H,3-8,10-12,19H2,1-2H3,(H,28,31)/t20-,25-/m0/s1/f/h28H 1EFE5285794DDF75