Geopen-U

6α-[[3-(2,3-Dihydro-1H-inden-5-yl)oxy-1,3-dioxo-2-phenylpropyl]amino]penicillanic acid

(2S,5R,6R)-6-[(3-indan-5-yloxy-3-keto-2-phenyl-propanoyl)amino]-7-keto-3,3-dimethyl-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

(2S,5R,6R)-6-[[3-(2,3-dihydro-1H-inden-5-yloxy)-3-oxo-2-phenylpropanoyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

(2S,5R,6R)-6-[[3-(2,3-dihydro-1H-inden-5-yloxy)-3-oxo-2-phenyl-propanoyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

(2S,5R)-6α-[[3-[(2,3-Dihydro-1H-inden-5-yl)oxy]-1,3-dioxo-2-phenylpropyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2β-carboxylic acid