InChI=1/C23H23ClN2O3/c24-18-3-1-16(2-4-18)21-7-8-22(28)26-11-15-9-17(23(21)26)12-25(10-15)13-19-5-6-20(14-27)29-19/h1-8,15,17,27H,9-14H2/t15-,17+/m0/s1 FA44686444DE4024