InChI=1/C20H22N4O3/c1-2-27-20(26)15(14-21)13-16-18(23-10-6-3-4-7-11-23)22-17-9-5-8-12-24(17)19(16)25/h5,8-9,12-13H,2-4,6-7,10-11H2,1H3/b15-13+ CDCA96D46D7F6BE8