InChI=1S/C20H19ClN4O5/c1-26-14-8-11(9-15(27-2)18(14)28-3)23-20-22-7-6-16(25-20)24-17-12(21)4-5-13-19(17)30-10-29-13/h4-9H,10H2,1-3H3,(H2,22,23,24,25)