InChI=1S/C19H21ClO8/c1-7-12(8(2)22)16(24)13-9(14(7)20)4-3-5-10(13)27-19-18(26)17(25)15(23)11(6-21)28-19/h3-5,11,15,17-19,21,23-26H,6H2,1-2H3