InChI=1/C18H17N5O/c1-12-5-4-6-13(9-12)15-10-16(23-18(19)22-15)17(24)21-11-14-7-2-3-8-20-14/h2-10H,11H2,1H3,(H,21,24)(H2,19,22,23)/f/h21H,19H2 365152BC3DEE33EE