InChI=1/C19H21N5/c1-12(2)22-18(20)24-19(21)23-17-11-13-7-3-4-8-14(13)15-9-5-6-10-16(15)17/h3-12H,1-2H3,(H5,20,21,22,23,24)/p+1/fC19H22N5/h21-24H,20H2/q+1 F146E9ECBD1DC43A