InChI=1/C11H11ClO4/c12-8-4-7(6-10(13)14)5-9-11(8)16-3-1-2-15-9/h4-5H,1-3,6H2,(H,13,14)/p-1/fC11H10ClO4/q-1 1B3C5EF5B006F65A