InChI=1/C21H17ClN4O2/c22-17-8-4-7-15(9-17)18-12-24-25-20(18)16-10-19(23-11-16)21(27)26-28-13-14-5-2-1-3-6-14/h1-12,24-25H,13H2,(H,26,27)/b20-16+/f/h26H F78E2D4CB141A7DD