InChI=1/C20H21N5/c1-20(2,3)25-19-17(18(21)22-12-23-19)16(24-25)11-14-9-6-8-13-7-4-5-10-15(13)14/h4-10,12H,11H2,1-3H3,(H2,21,22,23)/f/h21H2 EA408B66196C22E6