InChI=1/C20H26N4O2/c1-21-19(25)12-17-9-4-5-10-18(17)23-20(26)22-13-15-7-6-8-16(11-15)14-24(2)3/h4-11H,12-14H2,1-3H3,(H,21,25)(H2,22,23,26)/p+1/fC20H27N4O2/h21-24H/q+1 288F76B9A37F92CA