InChI=1/C13H11ClN4O3/c1-8-2-3-9(14)6-11(8)16-13(19)17-12-5-4-10(7-15-12)18(20)21/h2-7H,1H3,(H2,15,16,17,19)/f/h16-17H 1738075EF39837CC