InChI=1/C14H15N5O2/c1-8-11(9(2)18-14(21)12(8)5-15)3-4-13(20)19-10-6-16-17-7-10/h6-7H,3-4H2,1-2H3,(H,16,17)(H,18,21)(H,19,20)/f/h16,18-19H 48B3FFB52A48E625