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