InChI=1/C16H21N5O/c1-11-3-2-5-21-12(8-17-16(11)21)7-15(22)20-6-4-13-14(9-20)19-10-18-13/h2-3,5,10,12,16-17H,4,6-9H2,1H3,(H,18,19)/p+2/t12-,16+/m0/s1/fC16H23N5O/h17-19H/q+2 1EA6D01935DDC960