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5-Hydroxypentanoic acid cyclohexylamide

4-Hydroxy-2-oxo-1-pyrrolidineacetic acid

(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester

(6R,7R)-3-Hydroxy-8-oxo-7-[(phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenyl methyl ester

N-[(3beta)-3-Hydroxy-28-oxoolean-12-en-28-yl]-L-proline

N-[(3beta)-3-Hydroxy-28-oxoolean-12-en-28-yl]-L-phenylalanine

N-[(3beta)-3-Hydroxy-28-oxoolean-12-en-28-yl]-L-leucine

N-[(3beta)-3-Hydroxy-28-oxoolean-12-en-28-yl]-glycine

N-[(3beta)-3-Hydroxy-28-oxoolean-12-en-28-yl]-L-alanine

(2R,5R)-5-Hydroxy-1,3-oxathiolane-2-carboxylic acid (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester

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