InChI=1/C18H19N3O5/c1-11-2-3-12(8-14(11)17(19)22)21-18(23)20-6-7-24-13-4-5-15-16(9-13)26-10-25-15/h2-5,8-9H,6-7,10H2,1H3,(H2,19,22)(H2,20,21,23)/f/h20-21H,19H2 6DCC587447C5D2B3