InChI=1/C20H21N5O2/c21-18(22)16-7-8-17(26)15(12-16)2-1-9-25-20(27)14-5-3-13(4-6-14)19-23-10-11-24-19/h3-8,10-12,26H,1-2,9H2,(H3,21,22)(H,23,24)(H,25,27)/p+2/fC20H23N5O2/h23-25H,21-22H2/q+2 C9728BB854A9E786