InChI=1/C19H21N5O2/c1-26-16-7-4-6-14-13(16)12-15(21-14)19(25)20-10-5-9-18-23-22-17-8-2-3-11-24(17)18/h2-4,6-8,11-12,15,17,22H,5,9-10H2,1H3,(H,20,25)/p+1/t15-,17-/m1/s1/fC19H22N5O2/h20-21H/q+1 AF165869B2CFFC58