InChI=1/C20H20ClN3O3/c21-16-5-3-4-15(14-16)19(25)23-11-8-22(9-12-23)10-13-24-17-6-1-2-7-18(17)27-20(24)26/h1-7,14H,8-13H2/p+1/fC20H21ClN3O3/h22H/q+1 C589737FBDCEB7AF