InChI=1/C21H23N3O3/c1-27-18-7-8-20-19(12-18)17(14-23-20)10-11-22-13-16-4-2-15(3-5-16)6-9-21(25)24-26/h2-9,12,14,22-23,26H,10-11,13H2,1H3,(H,24,25)/b9-6+/f/h24H 6EA53B12762EE81A