| —— | 6β-methyldithiocarbamidopenicillanic acid 1β-sulfoxide | 131830-26-7 | C10H14N2O4S3 | 322.43 | 
                                                                                                                                            
                                        | —— | methyl 6β-methyldithiocarbamidopenicillanate 1β-sulfoxide | 131830-25-6 | C11H16N2O4S3 | 336.457 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-ethanesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C10H16N2O6S2 | 324.379 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-vinylsulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C10H14N2O6S2 | 322.363 | 
                                                                                                                                            
                                        | —— | 6β-phenoxythiocarbamidopenicillanic acid 1β-sulfoxide | 131830-24-5 | C15H16N2O5S2 | 368.434 | 
                                                                                                                                            
                                        | —— | methyl 6β-phenoxythioacetamidopenicillanate 1β-sulfoxide | 131830-22-3 | C17H20N2O5S2 | 396.488 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-3,3-Dimethyl-4,7-dioxo-6-phenoxythiocarbonylamino-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester | 131830-27-8 | C16H18N2O5S2 | 382.461 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-benzylsulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C15H18N2O6S2 | 386.45 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-3,3-Dimethyl-6-[methyl-(2-phenoxy-thioacetyl)-amino]-4,7-dioxo-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester | 131713-41-2 | C18H22N2O5S2 | 410.515 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-(4-bromobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C14H15BrN2O6S2 | 451.319 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | (2S,4S,5R,6R)-6-(4-fluorobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C14H15FN2O6S2 | 390.413 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-ethanesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C10H16N2O7S2 | 340.378 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-vinylsulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C10H14N2O7S2 | 338.362 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-(4-nitrobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C14H15N3O8S2 | 417.42 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-mesitylenesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C17H22N2O6S2 | 414.503 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-benzylsulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C15H18N2O7S2 | 402.449 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-(4-bromobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C14H15BrN2O7S2 | 467.318 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-(4-fluorobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C14H15FN2O7S2 | 406.413 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-(4-nitrobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C14H15N3O9S2 | 433.42 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-pentafluorobenzenesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C14H11F5N2O6S2 | 462.375 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                        | —— | (2S,4S,5R,6R)-6-(8-quinolinesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C17H17N3O6S2 | 423.47 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-mesitylenesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C17H22N2O7S2 | 430.503 | 
                                                                                                                                            
                                        | —— | (2S,4S,5R,6R)-6-(2,4-dinitrobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4-oxide | —— | C14H14N4O10S2 | 462.418 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-pentafluorobenzenesulfonamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C14H11F5N2O7S2 | 478.375 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-(8-quinolinosulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C17H17N3O7S2 | 439.47 | 
                                                                                                                                            
                                        | —— | (2S,5R,6R)-6-(2,4-dinitrobenzenesulfonamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylic acid 4,4-dioxide | —— | C14H14N4O11S2 | 478.417 | 
                                                                                                                                            
                                        | —— | (R)-3-Methyl-2-((1R,5R)-7-oxo-3-phenoxy-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl)-but-3-enoic acid methyl ester | 67830-37-9 | C16H16N2O4S | 332.38 | 
                                                                                                                                            
                                        | —— | methyl 3-phenoxy-4,5-dithia-2,7-diazabicyclo<4.2.0>oct-2-ene-8-one-7-isopropenyl acetate | 59997-09-0 | C16H16N2O4S2 | 364.446 |