InChI=1/C19H23N9O2/c1-12-9-14(26-30-12)11-27-6-4-13(5-7-27)10-21-18-23-17(20)28-19(24-18)22-16(25-28)15-3-2-8-29-15/h2-3,8-9,13H,4-7,10-11H2,1H3,(H3,20,21,22,23,24,25)/p+2/fC19H25N9O2/h21,23,27H,20H2/q+2 F656962D4469913A