InChI=1/C15H13ClN2O3/c16-12-6-5-11(15(20)21)7-13(12)18-14(19)10-3-1-9(8-17)2-4-10/h1-7H,8,17H2,(H,18,19)(H,20,21)/f/h17-18H F04C4AFA4B26874E