InChI=1/C11H13ClN2O6/c12-5-1-2-6(7(3-5)14(18)19)13-11-10(17)9(16)8(15)4-20-11/h1-3,8-11,13,15-17H,4H2/t8-,9-,10-,11-/m1/s1 C64FDA637BDB8C3F