InChI=1/C16H17N5O2/c1-3-16(22,4-2)8-7-11-10-21-15(13(17)18-11)19-14(20-21)12-6-5-9-23-12/h5-6,9-10,22H,3-4H2,1-2H3,(H2,17,18)/f/h17H2 E7B8500C1BB52E7E