InChI=1/C18H28N4O2/c1-3-20(4-2)14-17(23)22-11-9-21(10-12-22)13-15-5-7-16(8-6-15)18(19)24/h5-8H,3-4,9-14H2,1-2H3,(H2,19,24)/p+1/fC18H29N4O2/h20H,19H2/q+1 DB5C6D662D8B7DA0