InChI=1/C15H19ClN4O/c1-4-6-10-9-13(19-18-10)15(21)17-12-8-5-7-11(16)14(12)20(2)3/h5,7-9H,4,6H2,1-3H3,(H,17,21)(H,18,19)/f/h17,19H 5C00934D7C12D263