InChI=1/C16H21N5/c1-4-10(5-2)21-9(3)8-11-13(21)7-6-12-14(11)15(17)20-16(18)19-12/h6-8,10H,4-5H2,1-3H3,(H4,17,18,19,20)/p+1/fC16H22N5/h19H,17-18H2/q+1 95CF10D34716662A