InChI=1/C23H23N3O2/c1-23(2)20-17(16-10-6-7-11-18(16)24-20)14-19-21(27)25(22(28)26(19)23)13-12-15-8-4-3-5-9-15/h3-11,19,24H,12-14H2,1-2H3/t19-/m0/s1 D730B0BF7829A4D6