InChI=1/C18H19N5O2/c1-23-16(12-6-5-11-25-12)22-14-15(19)20-13(21-17(14)23)7-10-18(24)8-3-2-4-9-18/h5-6,11,24H,2-4,8-9H2,1H3,(H2,19,20,21)/f/h19H2 4A40C94394D85DC7