InChI=1/C13H15ClN4O3/c1-13(2)11(20)18(12(21)17-13)6-10(19)16-9-5-7(15)3-4-8(9)14/h3-5H,6,15H2,1-2H3,(H,16,19)(H,17,21)/f/h16-17H 6994C973C137D578