InChI=1/C20H28N4O2/c25-18(15-7-8-16-17(13-15)23-19(26)22-16)21-14-20(9-3-1-4-10-20)24-11-5-2-6-12-24/h7-8,13H,1-6,9-12,14H2,(H,21,25)(H2,22,23,26)/p+1/fC20H29N4O2/h21-24H/q+1 B2C764C7EE0A2D85