InChI=1/C16H21N5O/c22-16(20-15-10-18-19-11-15)17-7-3-8-21-9-6-13-4-1-2-5-14(13)12-21/h1-2,4-5,10-11H,3,6-9,12H2,(H,18,19)(H2,17,20,22)/p+1/fC16H22N5O/h17-18,20-21H/q+1 E7DC905F1CD5493B