(trans,4R,5R,8R,9S)-9-mesyloxy-5,8-oxisotricos-12-en-1,4-olide

(2R,2'R,5'S)-5'-((4R,5S)-4,5-Dihydroxy-pentadecyl)-tetrahydro-[2,2']bifuranyl-5-one

(2S,2'S,5'S)-5'-((E)-(R)-8-Benzyloxy-1-hydroxy-oct-4-enyl)-tetrahydro-[2,2']bifuranyl-5-one

(2R,2'S,5'S)-5'-((E)-(R)-8-Benzyloxy-1-hydroxy-oct-4-enyl)-tetrahydro-[2,2']bifuranyl-5-one

(2R,2'R,5'R)-5'-((E)-(S)-8-Benzyloxy-1-hydroxy-oct-4-enyl)-tetrahydro-[2,2']bifuranyl-5-one