InChI=1S/C22H38O7/c1-5-15(23)11-17-7-10-20(27-17)14(4)22(26)29-16(6-2)12-18-8-9-19(28-18)13(3)21(24)25/h13-20,23H,5-12H2,1-4H3,(H,24,25)/t13-,14+,15-,16+,17-,18+,19-,20+/m1/s1