InChI=1/C12H12ClNO4/c13-7-3-1-6(2-4-7)10-8(11(15)16)5-9(14-10)12(17)18/h1-4,8-10,14H,5H2,(H,15,16)(H,17,18)/p-1/t8-,9-,10+/m1/s1/fC12H11ClNO4/h14H/q-1 9E7FD72AEF167DA4