InChI=1S/C20H24ClNO4/c1-14(22-12-19(23)16-4-3-5-17(21)11-16)10-15-6-8-18(9-7-15)26-13-20(24)25-2/h3-9,11,14,19,22-23H,10,12-13H2,1-2H3