004910: InChI=1.12Beta/C10H11ClN4O4/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(18)6(17)4(1-16)19-10/h1H2,2-4H,6-7H,10H,16-18H/t4-,6-,7-,10-/m1/s1