InChI=1/C21H21N3O3/c25-20-15(10-18-14-6-9-27-21(26)16(14)11-23-18)19-13(2-1-3-17(19)24-20)12-4-7-22-8-5-12/h1-3,10-12,22-23H,4-9H2,(H,24,25)/p+1/b15-10-/fC21H22N3O3/h22,24H/q+1 4539DFFFAE86E2C7