InChI=1/C20H31N3O3/c1-13(2)7-6-10-21-19(25)20(26)23-17-9-8-16(11-15(17)5)18(24)22-12-14(3)4/h8-9,11,13-14H,6-7,10,12H2,1-5H3,(H,21,25)(H,22,24)(H,23,26)/f/h21-23H 842355F4B4BE8A28