InChI=1/C19H22N4O/c1-13-5-6-14(2)16(10-13)17-11-18-19(20-7-9-23(18)21-17)22-8-3-4-15(24)12-22/h5-7,9-11,15,24H,3-4,8,12H2,1-2H3/t15-/m0/s1 761CF3391F92FA38