InChI=1/C18H19N5O3/c1-20-18(24)23-17-14(6-11-9-21-16(19)8-15(11)22-17)10-4-12(25-2)7-13(5-10)26-3/h4-9H,1-3H3,(H2,19,21)(H2,20,22,23,24)/f/h20,23H,19H2 B1B61CA48A457AA3