InChI=1/C21H25N3O2/c1-15-6-4-7-17(14-15)20-8-5-13-24(20)21(26)22-18-9-11-19(12-10-18)23(3)16(2)25/h4,6-7,9-12,14,20H,5,8,13H2,1-3H3,(H,22,26)/t20-/m1/s1/f/h22H 183E5368BB58E950