InChI=1/C21H37N3O4/c1-27-8-3-6-24(7-9-28-2)19(25)4-5-22-20(26)23-21-13-16-10-17(14-21)12-18(11-16)15-21/h16-18H,3-15H2,1-2H3,(H2,22,23,26)/f/h22-23H 56B678B44C3F3ED9