InChI=1S/C25H42O5/c1-18(12-17-25(27)19(2)11-9-14-23(25,4)5)10-8-15-24(6)16-13-21(29-30-24)20(3)22(26)28-7/h10,20-21,27H,2,8-9,11-17H2,1,3-7H3/b18-10+/t20-,21-,24+,25+/m1/s1