InChI=1/C21H20N6O2/c1-27-19-6-2-5-18(17(19)13-24-27)26-21(28)25-15-7-9-16(10-8-15)29-20-14(12-22)4-3-11-23-20/h3-4,7-11,13,18H,2,5-6H2,1H3,(H2,25,26,28)/t18-/m0/s1/f/h25-26H 71078958D37BB1AC