InChI=1S/C25H40O6.Na/c1-6-25(4,5)24(30)31-21-12-15(2)11-17-8-7-16(3)20(23(17)21)10-9-18(26)13-19(27)14-22(28)29;/h7-8,11,15-16,18-21,23,26-27H,6,9-10,12-14H2,1-5H3,(H,28,29);/q;+1/p-1/t15-,16-,18+,19+,20-,21-,23-;/m0./s1