InChI=1/C21H25N3O2/c1-14-5-7-15(8-6-14)22-20(25)26-16-9-10-18-17(13-16)21(2)11-12-23(3)19(21)24(18)4/h5-10,13,19H,11-12H2,1-4H3,(H,22,25)/t19-,21+/m1/s1/f/h22H 5D6ADB1B0D3BC0AB