InChI=1/C15H15N5O2/c16-11(21)6-9(8-4-2-1-3-5-8)10-7-18-13-12(10)19-15(17)20-14(13)22/h1-5,7,9,18H,6H2,(H2,16,21)(H3,17,19,20,22)/t9-/m1/s1/f/h20H,16-17H2 17E18179C4D14DF3