InChI=1/C21H23ClN4O2/c1-3-16(21-25-17-6-4-5-7-18(17)26-21)24-20(28)12-19(23-13(2)27)14-8-10-15(22)11-9-14/h4-11,16,19H,3,12H2,1-2H3,(H,23,27)(H,24,28)(H,25,26)/t16-,19+/m0/s1/f/h23-25H F1ACBC463002B244