InChI=1/C21H23N3/c1-21(2,3)24-14-15(13-23-24)12-22-20-18-10-6-4-8-16(18)17-9-5-7-11-19(17)20/h4-11,13-14,20,22H,12H2,1-3H3 341218E622A600F8