Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)-3-[(2S,3S)-3-hydroxy-4-methyl-1-oxo-2-phenylpentyl]hexahydro-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-3-[(2S)-2-[(S)-hydroxyphenylmethyl]-1-oxobutyl]-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)-3-[(2S,3R)-2-ethyl-3-hydroxy-4-methyl-1-oxopentyl]hexahydro-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)-3-[(2S,3R)-2-ethyl-3-hydroxy-1-oxohexyl]hexahydro-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)-3-[(2S,3R)-2-ethyl-3-hydroxy-1-oxobutyl]hexahydro-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-3-[(2S,3S)-3-hydroxy-2-methyl-1-oxo-3-phenylpropyl]-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-3-[(2S,3R)-3-hydroxy-2,4-dimethyl-1-oxopentyl]-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-3-[(2S,3R)-3-hydroxy-2-methyl-1-oxohexyl]-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-3-[(2S,3R)-3-hydroxy-2-methyl-1-oxobutyl]-2-oxofuro[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S,3S)-3-hydroxy-4-methyl-1-oxo-2-phenylpentyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S)-2-[(S)-hydroxyphenylmethyl]-1-oxobutyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]-3-[(2S,3R)-2-ethyl-3-hydroxy-4-methyl-1-oxopentyl]tetrahydro-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]-3-[(2S,3R)-2-ethyl-3-hydroxy-1-oxohexyl]tetrahydro-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]-3-[(2S,3R)-2-ethyl-3-hydroxy-1-oxobutyl]tetrahydro-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S,3S)-3-hydroxy-2-methyl-1-oxo-3-phenylpropyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S,3R)-3-hydroxy-2,4-dimethyl-1-oxopentyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S,3R)-3-hydroxy-2-methyl-1-oxohexyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

(3aS,5R,6S,6aR)-5-[(1R)-1,2-Dimethoxyethyl]tetrahydro-3-[(2S,3R)-3-hydroxy-2-methyl-1-oxobutyl]-6-methoxyfuro[2,3-d]oxazol-2(3H)-one

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-2-oxo-3-(phenylacetyl)furo[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester

Propanoic acid, 2,2-dimethyl-, (1R)-1-[(3aS,5R,6S,6aR)-6-(2,2-dimethyl-1-oxopropoxy)hexahydro-2-oxo-3-(1-oxobutyl)furo[2,3-d]oxazol-5-yl]-1,2-ethanediyl ester