InChI=1/C21H23N3O3/c1-13-5-9-18(10-6-13)24-16(4)20(26)23(21(24)27)12-19(25)22-17-8-7-14(2)15(3)11-17/h5-11,16H,12H2,1-4H3,(H,22,25)/t16-/m0/s1/f/h22H D5EE5BF790B3F3B1