InChI=1/C20H35N3O4/c1-19(2,3)27-18(26)23-20(12-8-5-9-13-20)17(25)21-14-16(24)22-15-10-6-4-7-11-15/h15H,4-14H2,1-3H3,(H,21,25)(H,22,24)(H,23,26)/f/h21-23H A1A005DED380B000