InChI=1/C22H27N3O2/c1-18(7-8-19-5-3-2-4-6-19)23-24-22(26)21-11-9-20(10-12-21)17-25-13-15-27-16-14-25/h2-6,9-12H,7-8,13-17H2,1H3,(H,24,26)/b23-18+/f/h24H 6399D43BA9D99FC7