4(S)-<5(R)-ethyl-3(R)-methyl-5-<5(S)-ethyl-5-hydroxy-6(R)-methyl-2(S)-tetrahydropyranyl>-2(R)-tetrahydrofuryl>hexan-3-one

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

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

(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