InChI=1/C18H19N5O3/c19-15-17-21-16(13-5-4-10-26-13)22-23(17)11-12(20-15)6-7-14(24)18(25)8-2-1-3-9-18/h4-5,10-11,14,24-25H,1-3,8-9H2,(H2,19,20)/t14-/m0/s1/f/h19H2 11C171C93DEA466B