InChI=1/C21H21N5/c1-2-9-26-10-8-16-17(11-22)20(25)21(13-23,14-24)19(18(16)12-26)15-6-4-3-5-7-15/h3-8,18-19H,2,9-10,12,25H2,1H3/t18-,19+/m0/s1 122A391A18DB75F5