InChI=1/C14H11ClN2O5/c15-7-1-3-9-10(5-7)14(20)16(13(9)19)11-4-2-8(17(21)22)6-12(11)18/h1-2,4,6,9-10,18H,3,5H2/t9-,10+/m0/s1 0310805D193AB0B4