InChI=1/C20H24ClNO4/c1-11-15(18(23)25-6)17(13-9-7-8-10-14(13)21)16(12(2)22-11)19(24)26-20(3,4)5/h7-10,17,22H,1-6H3/t17-/m1/s1 A1A1B52066DA8A4C