InChI=1S/C22H27ClO4/c1-6-13(3)8-9-15-10-16-17(12-27-15)18(11-19(24)14(4)7-2)22(5,26)21(25)20(16)23/h7-10,12-13,18,26H,6,11H2,1-5H3/b9-8+,14-7+/t13-,18-,22-/m0/s1