InChI=1/C15H13ClN2O3/c16-10-4-1-2-5-11(10)17-15(19)18-12-6-3-7-13-14(12)21-9-8-20-13/h1-7H,8-9H2,(H2,17,18,19)/f/h17-18H 8F93007B583B1F2A