001652: InChI=1.12Beta/C20H19N5/c1-3-18-23-19(22-15-11-9-14(2)10-12-15)17-13-21-25(20(17)24-18)16-7-5-4-6-8-16/h1-2H3,3H2,4-13H,(H,22,23,24)