InChI=1S/C26H34O7/c1-13-11-15-22(4)10-9-16(28)21(2,3)17(22)14(27)12-23(15,5)26(20(31)33-8)19(30)25(7,32)18(29)24(13,26)6/h15,17,32H,1,9-12H2,2-8H3/t15-,17+,22-,23-,24-,25-,26+/m1/s1