1 FMZ (2r,4s)-5,5-dimethyl-2-[(1r)-2-oxo-1-({(2r)-2-[(2-oxoimidazolidin-1-yl)amino]-2-phenylacetyl}amino)ethyl]-1,3-thiazolidine-4-carboxylic acid 1.000 2 CMV (2r,4s)-2-[(1r)-1-({(2r)-2-[(4-ethyl-2,3-dioxopiperazin-1-yl)amino]-2-phenylacetyl}amino)-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.829 3 PNM Open form - penicillin G 0.767 4 AIX (2r,4s)-2-[(1r)-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.742 5 NDV (2s,4s)-2-[(1r)-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.742 6 NW3 (2s,4s)-2-[(1s)-1-{[(2s)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.742 7 PNK (2r,4s)-2-{(R)-carboxy[(phenylacetyl)amino]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.742 8 AXL 2-{1-[2-amino-2-(4-hydroxy-phenyl)-acetylamino]-2-oxo-ethyl}-5,5-dimethyl-thiazolidine-4-carboxylic acid 0.719 9 OAE (2s,4s)-2-[(R)-{[(2r)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.719 10 ZZ7 (2r,4s)-2-[(R)-{[(2r)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.719