1 3S0 (2r,5s)-5-[(carbamoyloxy)methyl]-2-[(R)-carboxy{[(2z)-2-(furan-2-yl)-2-(methoxyimino)acetyl]amino}methyl]-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid 1.000 2 DXF (2r)-5-[(carbamoyloxy)methyl]-2-[(1r)-1-{[(2z)-2-(furan-2-yl)-2-(methoxyimino)acetyl]amino}-2-oxoethyl]-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid 0.967 3 CES 2-[carboxy-(2-furan-2-yl-2-methoxyimino-acetylamino)-methyl]-5-methyl-3,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid 0.867 4 JNX (2~{R},5~{S})-5-(aminocarbonyloxymethyl)-2-[(1~{S})-1-methoxy-2-oxidanyl-2-oxidanylidene-1-(2-thiophen-2-ylethanoylamino)ethyl]-5,6-dihydro-2~{H}-1,3-thiazine-4-carboxylic acid 0.788 5 1QL (2r)-5-[(carbamoyloxy)methyl]-2-{(1s)-1-methoxy-2-oxo-1-[(thiophen-2-ylacetyl)amino]ethyl}-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid 0.758 6 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 0.750 7 KCP 2-[carboxy-(2-thiophen-2-yl-acetylamino)-methyl]-5-methyl-3,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid 0.710 8 THN 2-[carboxy-(2-thiophen-2-yl-acetylamino)-methyl]-5-methylene-5,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid 0.710