InChI=1/C13H17N3O5/c1-8(2)14-13(18)15-12(17)7-21-11-5-4-9(3)6-10(11)16(19)20/h4-6,8H,7H2,1-3H3,(H2,14,15,17,18)/f/h14-15H A19D954DB389EEF5