InChI=1/C15H19N3O3/c19-14(18-21)4-2-1-3-8-17-15(20)12-5-6-13-11(10-12)7-9-16-13/h5-7,9-10,16,21H,1-4,8H2,(H,17,20)(H,18,19)/f/h17-18H 82AE288AE11F60AA