InChI=1/C18H23N3O2/c1-4-12-8-15(18(22)20-11(12)2)19-10-16-17(23-3)9-13-6-5-7-14(13)21-16/h8-9,19H,4-7,10H2,1-3H3,(H,20,22)/f/h20H 6BF9282E94B9B521