InChI=1/C15H18N4O2/c1-9-4-5-13(19(20)21)8-14(9)15-17-11(3)7-12(18-15)6-10(2)16/h4-5,7-8,10H,6,16H2,1-3H3/p+1/t10-/m1/s1/fC15H19N4O2/h16H/q+1 FB5A2343BFE0EBEA