InChI=1/C12H12ClNO6/c1-6-4-12(17,5-11(15)16)7-2-9(14(18)19)8(13)3-10(7)20-6/h2-3,6,17H,4-5H2,1H3,(H,15,16)/p-1/t6-,12-/m1/s1/fC12H11ClNO6/q-1 1FDC55FC0BB8A565