InChI=1/C19H24N4O2/c1-14-15(6-4-7-16(14)23-11-5-8-18(23)25)21-12-17(24)22-19(13-20)9-2-3-10-19/h4,6-7,21H,2-3,5,8-12H2,1H3,(H,22,24)/f/h22H 39376579FAC775AB