InChI=1S/C16F34O4/c17-1(18,7(25,26)27)13(43,44)51-3(21,9(31,32)33)4(22,10(34,35)36)52-15(47,48)6(24,12(40,41)42)54-16(49,50)5(23,11(37,38)39)53-14(45,46)2(19,20)8(28,29)30