InChI=1/C18H20N4/c1-21(13-15-8-4-2-5-9-15)14-16-12-20-22(18(16)19)17-10-6-3-7-11-17/h2-12H,13-14,19H2,1H3/p+1/fC18H21N4/h21H/q+1	214E8D83420E8E3A