InChI=1/C16H19N5O2/c1-3-9-20-14-12(15(22)21(10-4-2)16(20)23)18-13(19-14)11-5-7-17-8-6-11/h5-8H,3-4,9-10H2,1-2H3,(H,18,19)/f/h18H F0A957F7532FD55E