InChI=1/C21H17ClN4O2/c22-19-11-14(13-4-1-2-5-15(13)24-19)21(27)23-12-7-8-16-17(10-12)26-20(25-16)18-6-3-9-28-18/h1-2,4-5,7-8,10-11,18H,3,6,9H2,(H,23,27)(H,25,26)/t18-/m0/s1/f/h23,26H DB5B3332AF994E10