InChI=1S/C22H28O7/c1-11-8-7-9-12(2)18(26-15(5)23)19(28-21(25)22(6)14(4)29-22)17-13(3)20(24)27-16(17)10-11/h9-10,14,16-19H,3,7-8H2,1-2,4-6H3/b11-10-,12-9-/t14-,16+,17-,18+,19+,22-/m1/s1