InChI=1/C13H13NO5/c1-18-10-3-4-11-9(7-10)6-8(13(16)19-11)2-5-12(15)14-17/h3-4,6-7,17H,2,5H2,1H3,(H,14,15)/f/h14H 32B7BED67DEE48B7