InChI=1/C13H15NO4/c1-7(2)9(6-12(15)16)8-3-4-10-11(5-8)18-13(17)14-10/h3-5,7,9H,6H2,1-2H3,(H,14,17)(H,15,16)/p-1/t9-/m0/s1/fC13H14NO4/h14H/q-1 F3A9A7018B6CA983