InChI=1/C14H15ClN4O2/c15-11-4-3-9-2-1-5-18-14(9)10(11)6-19(7-12(16)20)8-13(17)21/h1-5H,6-8H2,(H2,16,20)(H2,17,21)/f/h16-17H2 4179F740E9474E6E