2(R)-<5(R)-ethyl-3(R)-methyl-5-<5(S)-ethyl-5-hydroxy-6(R)-methyl-2(S)-tetrahydropyranyl>-2(R)-tetrahydrofuryl>butan-1-ol

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

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

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