InChI=1/C18H20N6O3/c19-15(25)9-12-1-3-13(4-2-12)22-18(27)23-14-5-6-16(21-10-14)24-8-7-20-17(26)11-24/h1-6,10H,7-9,11H2,(H2,19,25)(H,20,26)(H2,22,23,27)/p+1/fC18H21N6O3/h20-23H,19H2/q+1 900A8F90BE8087E2