InChI=1/C16H17N5/c17-15-14-13(11-4-2-1-3-5-11)9-21(12-6-7-18-8-12)16(14)20-10-19-15/h1-5,9-10,12,18H,6-8H2,(H2,17,19,20)/p+1/t12-/m0/s1/fC16H18N5/h18H,17H2/q+1 D2073D564CB908D8