InChI=1/C20H21N5O3/c21-20(27)17-3-1-2-14-12-25(23-19(14)17)16-6-4-15(5-7-16)22-18(26)13-24-8-10-28-11-9-24/h1-7,12H,8-11,13H2,(H2,21,27)(H,22,26)/f/h22H,21H2 FB27A6D2BC074BDB