InChI=1/C19H19N3O5/c23-18(20-12-17-8-3-9-27-17)13-4-1-6-15(10-13)21-19(24)14-5-2-7-16(11-14)22(25)26/h1-2,4-7,10-11,17H,3,8-9,12H2,(H,20,23)(H,21,24)/t17-/m0/s1/f/h20-21H BA748CE4BEC7A62F