InChI=1/C15H16N2O5/c1-8-6-12(10(3)22-8)9(2)16-15(19)11-4-5-13(17(20)21)14(18)7-11/h4-7,9,18H,1-3H3,(H,16,19)/t9-/m1/s1/f/h16H AE4F7C8719AAFF77