InChI=1/C20H27N3O/c1-21-18-7-5-10-20(17-18)24-16-6-11-22-12-14-23(15-13-22)19-8-3-2-4-9-19/h2-5,7-10,17,21H,6,11-16H2,1H3 73B193140DC26C7B