InChI=1/C19H27N3O3/c1-12-16(8-11-25-12)18(23)20-15-6-9-22(10-7-15)19(24)21-17(13-2-3-13)14-4-5-14/h8,11,13-15,17H,2-7,9-10H2,1H3,(H,20,23)(H,21,24)/f/h20-21H 51E14A7E20AC2221