InChI=1/C19H19ClN4O3/c1-21-17(25)13-8-7-12(11-14(13)20)23-18(26)19(27)24-10-4-6-16(24)15-5-2-3-9-22-15/h2-3,5,7-9,11,16H,4,6,10H2,1H3,(H,21,25)(H,23,26)/t16-/m1/s1/f/h21,23H 04ADE2B82AEFCB80