InChI=1S/C22H27ClO5/c1-6-19(23)21(26)22(5,27)18-10-20(25)13(3)16-9-15(28-11-17(16)18)8-7-12(2)14(4)24/h6-9,11-12,14,18,24,27H,10H2,1-5H3/b8-7+,19-6-/t12-,14-,18+,22+/m1/s1