InChI=1/C20H21N3O/c1-12-5-6-14(7-13(12)2)23-11-17-15(16(10-21)19(23)22)8-20(3,4)9-18(17)24/h5-7,11,22H,8-9H2,1-4H3 A0BF4DA2BC9589F9