InChI=1/C19H22N4O3/c1-5-26-19(25)14-9-23-17(16(14)11(2)3)18(20-10-21-23)22-13-7-6-12(4)15(24)8-13/h6-11,24H,5H2,1-4H3,(H,20,21,22)/f/h22H B47B28B36085D4CF