InChI=1S/C19H19ClN4O3/c1-26-16-6-3-13(9-17(16)27-2)4-8-19(25)23-15-5-7-18(21-11-15)24-12-14(20)10-22-24/h3,5-7,9-12H,4,8H2,1-2H3,(H,23,25)