InChI=1/C13H15NO5/c1-9(13(17)18-2)14-12(16)8-19-11-5-3-10(7-15)4-6-11/h3-7,9H,8H2,1-2H3,(H,14,16)/t9-/m1/s1/f/h14H 7CECA99325E059AB