InChI=1/C19H25N3O2/c1-19(2,3)15-6-4-14(5-7-15)18(23)22-10-8-13(9-11-22)16-12-17(20)24-21-16/h4-7,12-13H,8-11,20H2,1-3H3 1D26931877707491