InChI=1S/C28H27ClO8/c29-22(19-9-5-2-6-10-19)21(17-7-3-1-4-8-17)18-11-13-20(14-12-18)35-15-16-36-28-25(32)23(30)24(31)26(37-28)27(33)34/h1-14,23-26,28,30-32H,15-16H2,(H,33,34)