InChI=1/C15H16N6/c16-13-12-8-11(9-19-14(12)21-15(17)20-13)18-7-6-10-4-2-1-3-5-10/h1-5,8-9,18H,6-7H2,(H4,16,17,19,20,21)/f/h16-17H2 B9490734FB7066B2