InChI=1/C21H25N3O2/c1-21-11-12-23(3)19(21)24(14-15-7-5-4-6-8-15)18-10-9-16(13-17(18)21)26-20(25)22-2/h4-10,13,19H,11-12,14H2,1-3H3,(H,22,25)/t19-,21-/m0/s1/f/h22H 6D99E898E9183FCD