InChI=1/C16H19N5O2/c1-4-7-23-12-6-5-10(17)8-11(12)14-18-15-13(16(22)19-14)9(2)20-21(15)3/h5-6,8H,4,7,17H2,1-3H3,(H,18,19,22)/f/h19H 2B153C20E1320E8C