benzyl 2(R)-<5(R)-ethyl-3(R)-methyl-5-<5(S)-ethyl-5-hydroxy-6(R)-methyl-2(S)-tetrahydropyranyl>-2(R)tetrahydrofuryl>butyl ether

(3S,4R,6S)-6-[(2R,4R,5R)-5-((R)-1-Benzyloxymethyl-propyl)-2-ethyl-4-methyl-tetrahydro-furan-2-yl]-4-methyl-1,5-dioxa-spiro[2.5]octane

benzyl 2(R)-<5(R)-ethyl-3(R)-methyl-5-<3(R)-1,5-dioxa-4(R)-methylspiro<2.5>-6(S)-octyl>-2(R)-tetrahydrofuryl>butyl ether

ent-benzyl lasalocid A

6-{(3S,4S,5R,7S)-7-[(2R,3R,5R)-5-Ethyl-5-((2S,5S,6R)-5-ethyl-5-hydroxy-6-methyl-tetrahydro-pyran-2-yl)-3-methyl-tetrahydro-furan-2-yl]-4-hydroxy-3,5-dimethyl-6-oxo-nonyl}-2-hydroxy-3-methyl-benzoic acid benzyl ester