(R)-2-((S)-carboxy(2-(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido)methyl)-5-(hydroxymethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
(R)-2-((S)-carboxy(2-(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido)methyl)-5-(hydroxymethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid