InChI=1/C19H23ClN4O4/c1-3-24(11-17(25)22-16-9-14(20)7-6-13(16)2)12-18(26)23-19(27)21-10-15-5-4-8-28-15/h4-9H,3,10-12H2,1-2H3,(H,22,25)(H2,21,23,26,27)/p+1/fC19H24ClN4O4/h21-24H/q+1 C8E9FFA7B8049890