InChI=1S/C23H22ClNO3/c1-23(2)12-18-21(14-6-4-3-5-7-14)22(15-8-9-16(24)19(26)10-15)17(11-20(27)28)25(18)13-23/h3-10,26H,11-13H2,1-2H3,(H,27,28)