InChI=1S/C17H28O4/c1-6-15-10(2)7-8-14(18)11(3)9-12(4)16(19)13(5)17(20)21-15/h7-8,10-13,15-16,19H,6,9H2,1-5H3/b8-7+/t10-,11-,12+,13-,15-,16+/m1/s1