InChI=1/C13H15NO6/c1-12(2)7-13(17,6-11(15)16)9-5-8(14(18)19)3-4-10(9)20-12/h3-5,17H,6-7H2,1-2H3,(H,15,16)/p-1/t13-/m0/s1/fC13H14NO6/q-1 A1C5E4F63471219D