(RS)-2-Chloroacetyltetrahydrofuran
tetrahydro-2-furancarboxylic acid
tetrahydrofuran-2-carbonyl chloride
(6R,7R)-7-{2-[(Z)-Methoxyimino]-2-[2-(trityl-amino)-thiazol-4-yl]-acetylamino}-8-oxo-3-(R)-tetrahydro-furan-2-yl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
(6R,7R)-7-{2-[(Z)-Methoxyimino]-2-[2-(trityl-amino)-thiazol-4-yl]-acetylamino}-8-oxo-3-(S)-tetrahydro-furan-2-yl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester