1 6B8 (2s,3r,4r)-2-[(2s,3r)-3-hydroxy-1-oxobutan-2-yl]-3-methyl-4-(methylsulfanyl)-3,4-dihydro-2h-pyrrole-5-carboxylic acid 1.000 2 7TC (2r,3s)-3-methyl-4-methylidene-2-[(2s,3r)-3-oxidanyl-1-oxidanylidene-butan-2-yl]-2,3-dihydropyrrole-5-carboxylic acid 0.833 3 3V5 (3s,5s)-3-({[(aminomethyl)amino]methyl}sulfanyl)-5-[(2s)-1,3-dioxobutan-2-yl]-L-proline 0.800 4 A1H3N (2~{R},4~{R})-4-(2-methanimidamidoethylsulfanyl)-2-[(2~{S},3~{R})-3-oxidanyl-1-oxidanylidene-butan-2-yl]-3,4-dihydro-2~{H}-pyrrole-5-carboxylic acid 0.762 5 A1H3O (2~{R},4~{S})-4-(2-methanimidamidoethylsulfanyl)-2-[(2~{S},3~{R})-3-oxidanyl-1-oxidanylidene-butan-2-yl]-3,4-dihydro-2~{H}-pyrrole-5-carboxylic acid 0.762 6 ID1 Imipenem 0.762 7 IM2 (5r)-5-[(1s,2r)-1-formyl-2-hydroxypropyl]-3-[(2-{[(E)-iminomethyl]amino}ethyl)sulfanyl]-4,5-dihydro-1h-pyrrole-2-carbox ylic acid 0.762 8 59I (2r,3r)-3-methyl-4-(2-oxidanylidene-2-propan-2-yloxy-ethyl)sulfanyl-2-[(2r)-3-oxidanyl-1-oxidanylidene-butan-2-yl]-2,3-dihydro-1h-pyrrole-5-carboxylic acid 0.739 9 6B7 (2~{R},3~{R},4~{R})-4-methyl-3-(2-oxidanylidene-2-propoxy-ethyl)sulfanyl-5-[(2~{S},3~{R})-3-oxidanyl-1-oxidanylidene-butan-2-yl]-3,4-dihydro-2~{H}-pyrrole-2-carboxylic acid 0.739 10 8YF (2r)-2-[(2s,3r)-1,3-bis(oxidanyl)-1-oxidanylidene-butan-2-yl]-4-(2-methanimidamidoethylsulfanyl)-2,3-dihydro-1h-pyrrole -5-carboxylic acid 0.727 11 HIW (2r,4s)-2-[(1s,2r)-1-carboxy-2-hydroxypropyl]-4-[(2-{[(z)-iminomethyl]amino}ethyl)sulfanyl]-3,4-dihydro-2h-pyrrole-5-Ca rboxylic acid 0.727