InChI=1S/C19H21ClO6/c20-14-6-3-11(8-12(14)7-10-1-4-13(22)5-2-10)19-18(25)17(24)16(23)15(9-21)26-19/h1-6,8,15-19,21-25H,7,9H2/t15-,16-,17+,18-,19+/m1/s1