InChI=1/C15H14ClNO3/c1-7-2-3-8(6-9(7)16)17-14(18)12-10-4-5-11(20-10)13(12)15(17)19/h2-3,6,10-13H,4-5H2,1H3/t10-,11+,12-,13+ 2F841698128F324E