1	3S3	(1r)-2-({(R)-carboxy[(2r,5s)-4-carboxy-5-methyl-5,6-dihydro-2h-1,3-thiazin-2-yl]methyl}amino)-2-oxo-1-phenylethanaminium	1.000
2	Q53	(R)-2-((R)-((R)-2-amino-2-phenylacetamido)(carboxy)methyl)-5-methyl-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	1.000
3	63U	(2s)-2-[(1r)-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5-methyl-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.960
4	Q6R	(R)-2-((R)-((R)-2-amino-2-phenylacetamido)(carboxy)methyl)-5-chloro-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.923
5	CD6	(2r)-5-methylidene-2-{(1r)-2-oxo-1-[(phenylacetyl)amino]ethyl}-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.920
6	OAE	(2s,4s)-2-[(R)-{[(2r)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.852
7	ZZ7	(2r,4s)-2-[(R)-{[(2r)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.852
8	KCP	2-[carboxy-(2-thiophen-2-yl-acetylamino)-methyl]-5-methyl-3,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid	0.846
9	THN	2-[carboxy-(2-thiophen-2-yl-acetylamino)-methyl]-5-methylene-5,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid	0.846
10	A1EOR	(2~{R},4~{S})-2-[(1~{R})-1-[[(2~{R})-2-azanyl-2-(4-hydroxyphenyl)ethanoyl]amino]-2-oxidanyl-2-oxidanylidene-ethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.821
11	AIX	(2r,4s)-2-[(1r)-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.815
12	LOR	Loracabef (open form)	0.815
13	NDV	(2s,4s)-2-[(1r)-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.815
14	NW3	(2s,4s)-2-[(1s)-1-{[(2s)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.815
15	PNK	(2r,4s)-2-{(R)-carboxy[(phenylacetyl)amino]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.815
16	63V	(2s)-5-methylidene-2-{(1r)-2-oxo-1-[(thiophen-2-ylacetyl)amino]ethyl}-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.808
17	CED	5-methyl-2-[2-oxo-1-(2-thiophen-2-yl-acetylamino)-ethyl]-3,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid	0.808
18	CEO	5-methylene-2-[2-oxo-1-(2-thiophen-2-yl-acetylamino)-ethyl]-5,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid	0.808
19	NCF	(2r)-2-{(1r)-2-oxo-1-[(2-thienylacetyl)amino]ethyl}-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.808
20	AXL	2-{1-[2-amino-2-(4-hydroxy-phenyl)-acetylamino]-2-oxo-ethyl}-5,5-dimethyl-thiazolidine-4-carboxylic acid	0.786
21	PNM	Open form - penicillin G	0.778
22	CES	2-[carboxy-(2-furan-2-yl-2-methoxyimino-acetylamino)-methyl]-5-methyl-3,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid	0.759
23	1S7	(2r)-2-{(1s)-1-methoxy-2-oxo-1-[(thiophen-2-ylacetyl)amino]ethyl}-5-methylidene-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.750
24	4OV	(2r)-2-[(1r)-2-[(2s)-2-amino-2-carboxyethoxy]-1-{[(2r)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5-methyl-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.750
25	MX1	(2r)-2-((R)-carboxy{[carboxy(4-hydroxyphenyl)acetyl]amino}methoxymethyl)-5-methylene-5,6-dihydro-2h-1,3-oxazine-4-carbo xylic acid	0.719
26	9EP	(2r)-5-[(acetyloxy)methyl]-2-{(1r)-2-oxo-1-[(thiophen-2-ylacetyl)amino]ethyl}-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.700
27	CB9	(2r,4s)-2-[(1r)-1-{[(2s)-2-carboxy-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid	0.700
28	CEP	Cephalothin group	0.700